Identify which instrument is string or percussion: Tumba, Villu Paatu
Tumba is percussion, Villu Paatu is string.
<START_INST>Identify which instrument is string or percussion: Tumba, Villu Paatu<END_INST><START_CTX><END_CTX><START_A>Tumba is percussion, Villu Paatu is string.<END_A>