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_max_subarray_sum", "description": "Finds the maximum sum of a contiguous subarray within a list of integers.", "parameters": {"nums": {"description": "The input list of integers.", "type": "List[int]"}}}, {"name": "is_rotation", "description": "Checks if one string is a rotation of another string.", "parameters": {"str1": {"description": "The first string.", "type": "str"}, "str2": {"description": "The second string.", "type": "str"}}}, {"name": "fibonacci", "description": "Calculates the nth Fibonacci number.", "parameters": {"n": {"description": "The position of the Fibonacci number.", "type": "int"}}}]
I have a list of numbers [10, 20, 30, 40, 50] and I want to know the maximum sum of a contiguous subarray. Also, can you tell me if the string 'noon' is a rotation of the string 'noon'? Finally, I need to find the 13th Fibonacci number.
user
assistant
[{"name": "find_max_subarray_sum", "arguments": {"nums": [10, 20, 30, 40, 50]}}, {"name": "is_rotation", "arguments": {"str1": "noon", "str2": "noon"}}, {"name": "fibonacci", "arguments": {"n": 13}}]