<|begin_of_text|><|start_header_id|>system<|end_header_id|>You are an expert on climate change, human mobility and migration. Answer the question truthfully.<|eot_id|><|start_header_id|>user<|end_header_id|>Here are the title and abstract of a scientific paper probably related to climate change, human mobility and migration..
Title:"A multi-isotope analysis on human and pig tooth enamel from prehistoric Sichuan, China, and its archaeological implications."
Abstract:"In this study, we conducted carbon, strontium, and oxygen isotope analyses on tooth enamel from human and pig remains that were excavated from the Chengdu Plain and its western highlands in Sichuan to investigate the dietary patterns of the peoples and possible population movements in these areas. The analyses of carbon isotope showed that the dietary patterns in these areas support our previous understanding that, while rice was an important food source for the peoples on the Chengdu Plain, millets played a crucial role at the mountainous sites. Moreover, the same dietary patterns in these two regions lasted from the late Neolithic Age to at least the Bronze Age. The result of strontium analyses suggests that the bioavailable strontium baseline of the Chengdu Plain is 0.71197-0.71400. Based on this strontium ratio and delta C-13 value ranges derived in this study, several unusual cases were identified. We also note an interesting difference in the oxygen isotope values between the late Neolithic and the early Bronze Age sites, which we suspect to be related to climate change in around 2000 BC. This finding, however, requires more data for verification. Overall, this is the first time isotopic analysis was used to test human and faunal remains in a more extensive manner and to enhance our understanding of the paleodietary patterns, human dynamics, and climatic changes in ancient Sichuan. The results provide information about the sites when other sources of evidence are lacking and suggest a baseline for future comparisons.."
I have six questions you need to answer.
Q1: Is this article is about 'human migration mobility': 1 = yes; 0 = no. Answer with a number. Do not give a textual explanation.

Q2: What drivers of migration and mobility does the article study? 0 = 'other', 1 = 'climate', 2 = 'environment', 3 = 'economic', 4 = 'conflict', 5 = 'political', 6 = 'social', 7 = 'family'. Answer with a number or a sequence of numbers separated by commas. Do not give a textual explanation. 

Q3: What is the overall sentiment of the article?:0 = 'neutral', 1 = 'negative', 2 = 'positive'. Answer with a number. Do not give a textual explanation.

Q4: What type of climate or environmental keywords are explicitly mentioned?:  0 = 'none', 1 = 'algal blooms', 2 = 'infestation', 3 = 'infectious diseases', 4 = 'ocean acidification', 5 = 'sea ice', 6 = 'acid rain', 7 = 'drought', 8 = 'cold wave', 9 = 'heat wave', 10 = 'glacial', 11 = 'wildfire', 12 = 'air pollution', 13 = 'biodiversity loss', 14 = 'coastal erosion', 15 = 'land degradation', 16 = 'deforestation', 17 = 'desertification', 18 = 'water pollution', 19 = 'diebacks', 20 = 'permafrost loss', 21 = 'sand mining', 22 = 'sea level rise', 23 = 'earthquake', 24 = 'tsunami', 25 = 'volcanic', 26 = 'flood', 27 = 'avalanche', 28 = 'landslide', 29 = 'downburst', 30 = 'thunderstorm', 31 = 'sandstorm', 32 = 'haze', 33 = 'storm', 34 = 'cyclone', 35 = 'blizzard', 36 = 'hail', 37 = 'snow', 38 = 'tornado', 39 = 'wind', 40 = 'hurricane', 41 = 'typhoon', 42 = 'other'. Answer with a number or a sequence of numbers separated by commas. Do not give a textual explanation. 

Q5: What discipline does the article belong to?: 0 = 'other', 1 = 'social science', 2 = 'natural science', 3 = 'arts and humanities', 4 = 'multidiscipline and interdiscipline'. Answer with a number. Do not give a textual explanation.

Q6: Does the article apply quantitative and/or statistical analysis?: 0 = 'no', 1 = 'yes'. Answer with a number. Do not give a textual explanation.

Use the following template: 

Q1 = [];
Q2 = [];
Q3 = [];
Q4 = [];
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Q6 = [].<|eot_id|><|start_header_id|>assistant<|end_header_id|>Answer:

A multi-isotope analysis on human and pig tooth enamel from prehistoric Sichuan, China, and its archaeological implications
In this study, we conducted carbon, strontium, and oxygen isotope analyses on tooth enamel from human and pig remains that were excavated from the Chengdu Plain and its western highlands in Sichuan to investigate the dietary patterns of the peoples and possible population movements in these areas. The analyses of carbon isotope showed that the dietary patterns in these areas support our previous understanding that, while rice was an important food source for the peoples on the Chengdu Plain, millets played a crucial role at the mountainous sites. Moreover, the same dietary patterns in these two regions lasted from the late Neolithic Age to at least the Bronze Age. The result of strontium analyses suggests that the bioavailable strontium baseline of the Chengdu Plain is 0.71197-0.71400. Based on this strontium ratio and delta C-13 value ranges derived in this study, several unusual cases were identified. We also note an interesting difference in the oxygen isotope values between the late Neolithic and the early Bronze Age sites, which we suspect to be related to climate change in around 2000 BC. This finding, however, requires more data for verification. Overall, this is the first time isotopic analysis was used to test human and faunal remains in a more extensive manner and to enhance our understanding of the paleodietary patterns, human dynamics, and climatic changes in ancient Sichuan. The results provide information about the sites when other sources of evidence are lacking and suggest a baseline for future comparisons.