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:
London mayor calls on British foreign minister Johnson to resign;LONDON (Reuters) - London Mayor Sadiq Khan called on British foreign minister Boris Johnson on Sunday to resign after a series of gaffes which he said had offended Libyans, Americans, the Spanish and others. Speaking on the BBC s Andrew Marr show, Khan said Johnson  has to go . ;November 12, 2017

### Response:
True news

### End