Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
identify whether following news is true or not

Input:
South Korean military fires warning shots at North Korean troops searching for defector: Yonhap;SEOUL (Reuters) - South Korean guards fired around 20 warning shots at North Korean troops searching for a defector who fled across the heavily militarized border between the two countries on Thursday, South Korea s Yonhap news agency reported.;December 21, 2017

### Response:
True news

### End