Input: 

The British Chess Variants Society (or BCVS) was an association of chess variant players and developers active between 1997 and 2010. The Society took over publication of "Variant Chess", a chess variant magazine which had been published since 1990; the magazine ceased publication with the dissolution of the Society.

Sentence: The British Chess Variants Society has another name

Output: Yes


Input: 

Once on the train (according to what the channel said was a leaked police statement, aired Tuesday night) a police officer pinned de Menezes down when another officer shot him.

Sentence: Menezes was fatally shot by a police officer

Output: It's impossible to say


Input: 

"Oh! Mr Porter" is an old British music hall song about a girl "going too far". It was famously part of the repertoires of the artistes Norah Blaney and Marie Lloyd. It was written in 1892 by George Le Brunn and his brother Thomas, and taken on an extended provincial tour that same year by Marie Lloyd. The lyrics include this chorus:

Sentence: The writers had a family.

Output: Yes


Input: 

Scripps Memorial Hospital Encinitas emergency room doctors and nurses treat two to three injured surfers.

Sentence: Scripps Memorial Hospital does not have an ER.

Output: