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_palindrome", "description": "Checks if a string is a palindrome.", "parameters": {"text": {"description": "The input string.", "type": "str"}}}, {"name": "reverse_string", "description": "Reverses the characters in a string.", "parameters": {"text": {"description": "The input string.", "type": "str"}}}, {"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"}}}]
Is 'racecar' a palindrome?
user
assistant
[{"name": "is_palindrome", "arguments": {"text": "racecar"}}]