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": "random_meme", "description": "Fetches a random meme from a specified genre and type using the given RapidAPI key.", "parameters": {"genre": {"description": "The genre of the meme. Default is 'memes'. Available genres include 'anime', 'dnd', 'history', 'historyani', 'memes', 'politics', 'science', 'lotr', and 'ww2'.", "type": "str", "default": "memes"}, "type": {"description": "The type of the meme. Default is 'top'. Available types include 'top', 'hot', and 'new'.", "type": "str", "default": "top"}}}, {"name": "generate_signature", "description": "Generates a signature for a given TikTok API URL using the specified RapidAPI key.", "parameters": {"url": {"description": "The TikTok API URL for which to generate the signature.", "type": "str", "default": "https://www.tiktok.com/node/share/user/@therock"}}}]
Fetch a random meme from the 'science' genre and 'top' type. Also, generate a signature for the TikTok video URL 'https://www.tiktok.com/@user3/video/111222333'.
user
assistant
[{"name": "random_meme", "arguments": {"genre": "science", "type": "top"}}, {"name": "generate_signature", "arguments": {"url": "https://www.tiktok.com/@user3/video/111222333"}}]