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": "count_vowels", "description": "Counts the number of vowels in a given text.", "parameters": {"text": {"description": "The input text.", "type": "str"}}}, {"name": "fibonacci", "description": "Calculates the nth Fibonacci number.", "parameters": {"n": {"description": "The position of the Fibonacci number.", "type": "int"}}}, {"name": "is_anagram_phrase", "description": "Checks if two phrases are anagrams of each other, ignoring whitespace and punctuation.", "parameters": {"phrase1": {"description": "The first phrase.", "type": "str"}, "phrase2": {"description": "The second phrase.", "type": "str"}}}]
Check if 'Desserts' and 'Stressed' are anagrams and also calculate the 20th Fibonacci number.
user
assistant
[{"name": "is_anagram_phrase", "arguments": {"phrase1": "Desserts", "phrase2": "Stressed"}}, {"name": "fibonacci", "arguments": {"n": 20}}]