system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
Which of the following instruments have keys: harp, piano, cello, guitar, spinet, mandolin, bagpipe, bongo, clavinet, accordion, flute, bass, marimba, synthesizer, recorder, organ, melodica, sitar


assistant
The following instruments have keys: piano, spinet, clavinet, accordion, synthesizer, organ, and melodica