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": "csw21", "description": "Search for words using the Collins Scrabble Words 2021 lexicon via the Word Tree API.", "parameters": {"input": {"description": "A series of at least 4 letters (a-z, case-insensitive). No other characters should be included or no meaningful results will be returned.", "type": "str", "default": "ANAGRAMS"}}}, {"name": "roll", "description": "Rolls a set of dice using an external API and returns the results.", "parameters": {"sides": {"description": "The number of sides on the die.", "type": "int", "default": "6"}, "count": {"description": "The number of times to roll each die. Defaults to 1.", "type": "int, optional", "default": "1"}, "advantage": {"description": "If set to True, rolls each die twice and takes the higher result. Defaults to None.", "type": "bool, optional", "default": "true"}, "modifier": {"description": "A modifier to apply to the total of each die roll. Defaults to 5.", "type": "int, optional", "default": "5"}}}]
What are the words that can be made using the letters 'd', 'e', 'f', and 'i'? Also, I want to roll a four-sided die twice, with advantage, and add a modifier of 3 to each roll.
user
assistant
[{"name": "csw21", "arguments": {"input": "defi"}}, {"name": "roll", "arguments": {"sides": 4, "count": 2, "advantage": true, "modifier": 3}}]