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": "word_frequency", "description": "Calculates the frequency of each word in a text.", "parameters": {"text": {"description": "The input text.", "type": "str"}}}, {"name": "is_anagram_phrase", "description": "Checks if two phrases are anagrams of each other, ignoring whitespace and punctuation.", "parameters": {"phrase1": {"description": "The first phrase.", "type": "str"}, "phrase2": {"description": "The second phrase.", "type": "str"}}}, {"name": "find_longest_word", "description": "Finds the longest word in a list of words.", "parameters": {"words": {"description": "A list of words.", "type": "List[str]"}}}, {"name": "remove_duplicates", "description": "Removes duplicate elements from a list while preserving the order.", "parameters": {"lst": {"description": "The input list.", "type": "List"}}}, {"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": "is_anagram", "description": "Checks if two words are anagrams of each other.", "parameters": {"word1": {"description": "The first word.", "type": "str"}, "word2": {"description": "The second word.", "type": "str"}}}]
Find the longest word in the list ['apple', 'banana', 'cherry', 'date']. Also, remove duplicate elements from the list [1, 2, 2, 3, 4, 4, 5] while preserving the order.
user
assistant
[{"name": "find_longest_word", "arguments": {"words": ["apple", "banana", "cherry", "date"]}}, {"name": "remove_duplicates", "arguments": {"lst": [1, 2, 2, 3, 4, 4, 5]}}]