The conversation between human and AI assistant.
[|Human|] Sort the list of musical instruments into three distinct categories.
[|AI|] Category 1 - String instruments: 
- Guitar, Violin, Harp

Category 2 - Keyboard instrument: 
- Piano 

Category 3 - Woodwind instruments: 
- Flute, Clarinet
[|Human|] 
Sort the list of musical instruments into three distinct categories.