The conversation between human and AI assistant.
[|Human|] Categorize each of the following instruments as either string or keyboard: Guitar, Violin, piano, harmonium, cello, accordion, banjo
[|AI|] Guitar - String
Violin - String
piano - keyboard
harmonium - keyboard
cello - string
accordion - keyboard
banjo - string
[|Human|] 
Categorize each of the following instruments as either string or keyboard: Guitar, Violin, piano, harmonium, cello, accordion, banjo