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": "find_duplicate_number", "description": "Finds the duplicate number in a list of integers.", "parameters": {"nums": {"description": "The list of integers.", "type": "List[int]"}}}, {"name": "generate_random_string", "description": "Generates a random string of specified length and character types.", "parameters": {"length": {"description": "The length of the random string.", "type": "int", "default": true}, "uppercase": {"description": "Include uppercase letters. Defaults to True.", "type": "bool, optional", "default": true}, "lowercase": {"description": "Include lowercase letters. Defaults to True.", "type": "bool, optional", "default": true}, "digits": {"description": "Include digits. Defaults to True.", "type": "bool, optional"}, "special_chars": {"description": "Include special characters. Defaults to False.", "type": "bool, optional", "default": true}}}, {"name": "find_first_non_repeating_char", "description": "Finds the first non-repeating character in a string.", "parameters": {"s": {"description": "The input string.", "type": "str"}}}]
Count the number of vowels in the sentence 'The quick brown fox jumps over the lazy dog'. Additionally, find the duplicate number in the list [1, 3, 4, 2, 2, 5, 6].
user
assistant
[{"name": "count_vowels", "arguments": {"text": "The quick brown fox jumps over the lazy dog"}}, {"name": "find_duplicate_number", "arguments": {"nums": [1, 3, 4, 2, 2, 5, 6]}}]