<|im_start|>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<|im_end|>
<|im_start|>assistant
The following instruments have keys: piano, spinet, clavinet, accordion, synthesizer, organ, and melodica<|im_end|>
