Identify which instrument is string or percussion: Rakatak, K'ni
K'ni is string, Rakatak is percussion.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Identify which instrument is string or percussion: Rakatak, K'ni
### Input: 
### Response: K'ni is string, Rakatak is percussion.