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": "binary_search", "description": "Performs binary search on a sorted list to find the index of a target value.", "parameters": {"arr": {"description": "The sorted list of integers.", "type": "List[int]"}, "target": {"description": "The target value to search for.", "type": "int"}}}, {"name": "reverse_words", "description": "Reverses the order of words in a sentence.", "parameters": {"sentence": {"description": "The input sentence.", "type": "str"}}}]
What is the position of 6 in the array [1, 2, 3, 4, 5, 6, 7, 8, 9] and reverse the phrase 'Software development is challenging'.
user
assistant
[{"name": "binary_search", "arguments": {"arr": [1, 2, 3, 4, 5, 6, 7, 8, 9], "target": 6}}, {"name": "reverse_words", "arguments": {"sentence": "Software development is challenging"}}]