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:
U.S. military posture unchanged after Iran missile test: Pentagon spokesman;WASHINGTON (Reuters) - The United States military has not changed its posture in response to Iran test-firing a ballistic missile, a Pentagon spokesman said on Wednesday. The spokesman, Christopher Sherwood, did not provide any other details.  A top adviser to President Donald Trump delivered a tough warning to Iran on Wednesday for test-firing a ballistic missile and declared “we are officially putting Iran on notice” for what he called a provocation. ;February 1, 2017

### Response:
True news

### End