input: John Baker [SEP] instrument
meta.obj_surface: Grand Piano Baby Grand acoustic keyboard pianoforte piano Hammerklavier pianist grand piano piano forte acoustic piano
meta.sub_surface: He John Baker (Radiophonic musician)
output.answer: piano
output.annotation_id: -1
output.section: Section::::Abstract.
output.title: John Baker (Radiophonic musician)
output.wikipedia_id: 5327058
output.answer: pianoforte
output.answer: Piano