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": "is_subset", "description": "Checks if one set is a subset of another set.", "parameters": {"set1": {"description": "The first set.", "type": "set"}, "set2": {"description": "The second set.", "type": "set"}}}, {"name": "format_date", "description": "Converts a date string from one format to another.", "parameters": {"date": {"description": "The date string to convert.", "type": "str"}, "input_format": {"description": "The format of the input date string.", "type": "str"}, "output_format": {"description": "The desired format of the output date string.", "type": "str"}}}, {"name": "find_missing_ranges", "description": "Finds the missing ranges between lower and upper in a sorted list of integers.", "parameters": {"nums": {"description": "The sorted list of integers.", "type": "List[int]"}, "lower": {"description": "The lower bound.", "type": "int"}, "upper": {"description": "The upper bound.", "type": "int"}}}]
Identify the missing ranges between 5 and 15 for the list [6, 8, 10, 12] and between 20 and 30 for the list [21, 23, 25, 27].
user
assistant
[{"name": "find_missing_ranges", "arguments": {"nums": [6, 8, 10, 12], "lower": 5, "upper": 15}}, {"name": "find_missing_ranges", "arguments": {"nums": [21, 23, 25, 27], "lower": 20, "upper": 30}}]