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": "global_search_by_query", "description": "Performs a global search on Instagram based on the given query.", "parameters": {"query": {"description": "The search term to be used in the Instagram search.", "type": "str", "default": "iq"}}}, {"name": "get_user_info", "description": "Fetches information about an Instagram user using their user ID.", "parameters": {"is_id": {"description": "The user ID of the Instagram account.", "type": "int", "default": "25025320"}}}, {"name": "challenge", "description": "Fetch the challenge details from TikTok based on a provided hashtag.", "parameters": {"hashtag": {"description": "The hashtag of the challenge to fetch details for.", "type": "str", "default": "fyp"}}}]
What is the 'Dance Challenge' on TikTok about and who is the user with ID 987654321 on Instagram?
user
assistant
[{"name": "challenge", "arguments": {"hashtag": "DanceChallenge"}}, {"name": "get_user_info", "arguments": {"is_id": 987654321}}]