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": "is_valid_parentheses", "description": "Checks if a string contains valid parentheses.", "parameters": {"s": {"description": "The input string.", "type": "str"}}}, {"name": "find_majority_element", "description": "Finds the majority element in a list, which appears more than \u230an / 2\u230b times.", "parameters": {"nums": {"description": "The input list of integers.", "type": "List[int]"}}}, {"name": "remove_duplicates", "description": "Removes duplicate elements from a list while preserving the order.", "parameters": {"lst": {"description": "The input list.", "type": "List"}}}, {"name": "reverse_string", "description": "Reverses the characters in a string.", "parameters": {"text": {"description": "The input string.", "type": "str"}}}]
Reverse the string 'Hello, World!' and determine if the string '({[]})' has valid parentheses. Additionally, find the majority element in the list [1, 2, 2, 2, 3, 3, 3, 3] and remove duplicates from the list ['apple', 'banana', 'banana', 'cherry', 'cherry', 'apple']
user
assistant
[{"name": "reverse_string", "arguments": {"text": "Hello, World!"}}, {"name": "is_valid_parentheses", "arguments": {"s": "({[]})"}}, {"name": "find_majority_element", "arguments": {"nums": [1, 2, 2, 2, 3, 3, 3, 3]}}, {"name": "remove_duplicates", "arguments": {"lst": ["apple", "banana", "banana", "cherry", "cherry", "apple"]}}]