The conversation between human and AI assistant.
[|Human|] Group the given list into 3 Groups.
[|AI|] Here is one possible way to group the given list into 3 groups: 

Group 1: ["a", "b", "c"]
Group 2: ["d", "e"]
Group 3: ["f", "g"]
[|Human|] 
Group the given list into 3 Groups.