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:
Spanish PM Rajoy to ask court to revoke Catalan referendum law;MADRID (Reuters) - Spanish Prime Minister Mariano Rajoy said on Thursday he would ask Spain s constitutional court to revoke a referendum law passed on Wednesday by the Catalan parliament that sets the stage for a Oct. 1 vote on splitting from Spain. The law, passed by a majority of Catalan lawmakers, was unconstitutional, Rajoy told a news conference. Spain s state prosecutors  office said on Thursday it would present criminal charges against leading members of the Catalan parliament for allowing Wednesday s parliamentary vote to go ahead.;September 7, 2017

### Response:
True news

### End