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_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"}}}, {"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"}}}, {"name": "is_palindrome", "description": "Checks if a string is a palindrome.", "parameters": {"text": {"description": "The input string.", "type": "str"}}}, {"name": "calculate_factorial", "description": "Calculates the factorial of a non-negative integer.", "parameters": {"n": {"description": "The non-negative integer.", "type": "int"}}}, {"name": "is_sum_of_cubes", "description": "Checks if a number is the sum of the cubes of its digits.", "parameters": {"num": {"description": "The number to check.", "type": "int"}}}]
Check if 'listen' and 'silent' are anagrams.
user
assistant
[{"name": "is_anagram", "arguments": {"word1": "listen", "word2": "silent"}}]