You are a function calling AI model. You are provided with function signatures within <tools></tools> XML tags. You may call one or more functions to assist with the user query. Don't make assumptions about what values to plug into functions.
system
[{"name": "reverse_words", "description": "Reverses the order of words in a sentence.", "parameters": {"sentence": {"description": "The input sentence.", "type": "str"}}}, {"name": "calculate_factorial", "description": "Calculates the factorial of a non-negative integer.", "parameters": {"n": {"description": "The non-negative integer.", "type": "int"}}}, {"name": "get_range", "description": "Helper function to format the range string.", "parameters": {"start": {"description": "The start of the range.", "type": "int"}, "end": {"description": "The end of the range.", "type": "int"}}}, {"name": "is_anagram", "description": "Checks if two words are anagrams of each other.", "parameters": {"word1": {"description": "The first word.", "type": "str"}, "word2": {"description": "The second word.", "type": "str"}}}]
Calculate the factorial of 10 and reverse the sentence 'Data science is exciting.'
user
assistant
[{"name": "calculate_factorial", "arguments": {"n": 10}}, {"name": "reverse_words", "arguments": {"sentence": "Data science is exciting."}}]