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": "emoji", "description": "Fetches the emoji associated with a given name using the Emoji API.", "parameters": {"name": {"description": "The name for which the emoji is to be fetched.", "type": "str", "default": "cat_face"}}}, {"name": "user_tweets", "description": "Fetches a user's tweets using the Twttr RapidAPI.", "parameters": {"twttr_proxy": {"description": "Optional proxy to use for the Twitter API request.", "type": "str, optional", "default": ""}, "twttr_session": {"description": "Optional session identifier for the Twitter API request.", "type": "str, optional", "default": ""}, "cursor": {"description": "Optional cursor for paginated results.", "type": "str, optional", "default": ""}, "user_id": {"description": "The Twitter user ID for which to fetch tweets.", "type": "str, optional", "default": ""}, "username": {"description": "The Twitter username for which to fetch tweets (default is 'elonmusk').", "type": "str, default='elonmusk'", "default": "elonmusk"}}}, {"name": "wikipedia", "description": "This function checks if a given username exists on Wikipedia using the Toolbench RapidAPI service.", "parameters": {"username": {"description": "The username to check on Wikipedia.", "type": "str", "default": "username"}}}, {"name": "v1_sticker", "description": "Fetches information related to specific stickers given their IDs from the RapidAPI service.", "parameters": {"sticker_ids": {"description": "Comma-separated string of sticker IDs to fetch information for.", "type": "str", "default": "1108584,1108584"}}}]
Find the emoji for 'rainbow' and check if 'ScienceLover88' is listed on Wikipedia.
user
assistant
[{"name": "emoji", "arguments": {"name": "rainbow"}}, {"name": "wikipedia", "arguments": {"username": "ScienceLover88"}}]