Identify which instrument is string or percussion: Taxi horn, Sihu
Sihu is string, Taxi horn 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: Taxi horn, Sihu
### Input: 
### Response: Sihu is string, Taxi horn is percussion.