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": "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"}}}]
Reverse the sentence 'Artificial intelligence is evolving rapidly'.
user
assistant
[{"name": "reverse_words", "arguments": {"sentence": "Artificial intelligence is evolving rapidly"}}]