Identify which instrument is string or percussion: Cimboa, Bamboo clapper
Bamboo clapper is percussion, Cimboa is string.
<START_INST>Identify which instrument is string or percussion: Cimboa, Bamboo clapper<END_INST><START_CTX><END_CTX><START_A>Bamboo clapper is percussion, Cimboa is string.<END_A>