Identify which instrument is string or percussion: Ngoma drums, Zhuihu
Zhuihu is string, Ngoma drums is percussion.
<START_INST>Identify which instrument is string or percussion: Ngoma drums, Zhuihu<END_INST><START_CTX><END_CTX><START_A>Zhuihu is string, Ngoma drums is percussion.<END_A>