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": "find_missing_number", "description": "Finds the missing number in a list of integers from 0 to n.", "parameters": {"nums": {"description": "The list of integers.", "type": "List[int]"}}}, {"name": "merge_dictionaries", "description": "Merges two dictionaries into a single dictionary.", "parameters": {"dict1": {"description": "The first dictionary.", "type": "Dict"}, "dict2": {"description": "The second dictionary.", "type": "Dict"}}}, {"name": "reverse_string", "description": "Reverses the characters in a string.", "parameters": {"text": {"description": "The input string.", "type": "str"}}}, {"name": "word_frequency", "description": "Calculates the frequency of each word in a text.", "parameters": {"text": {"description": "The input text.", "type": "str"}}}]
What is the missing number in the sequence [0, 1, 3, 4] and what is the frequency of each word in the text 'machine learning is fun'?
user
assistant
[{"name": "find_missing_number", "arguments": {"nums": [0, 1, 3, 4]}}, {"name": "word_frequency", "arguments": {"text": "machine learning is fun"}}]