Input: 

After giving nearly 5,000 people a second chance at life, doctors are celebrating the 25th anniversary of Britian's first heart transplant which was performed at Cambridgeshire's Papworth Hospital in 1979.

Sentence: Doctors gave  5,000 people a second chance at life.

Output: Yes


Input: 

Venera Gimadieva (Russian: Венера Гимадиева, born 28 May 1984) is a Russian operatic soprano. She is invited to the opera houses around the world as one of the leading lyric-coloratura sopranos of her generation. Member of the Lake Baikal Foundation Community Board.

Sentence: Venera Gimadieva visited many countries in her lifetime.

Output: It's impossible to say


Input: 

It makes me so nervous .<br>Just let me tell my story and do n't say anything till I get through -- and then no doubt you 'll say plenty , '' Anne concluded , but in thought only .<br>`` I wo n't say another word , '' said Mr. Harrison , and he did n't .<br>But Ginger was not bound by any contract of silence and kept ejaculating , `` Redheaded snippet '' at intervals until Anne felt quite wild .

Sentence: Mr. Harrison was talking throughout the whole narrative

Output: No


Input: 

And after she had spoken, Bertha Spahr also spoke, as well. She's the department chairperson, and, actually, I had her as a science teacher. And she presented information to the board, documents, that she and I believe other members of the science department had researched on, I guess cases that had been set down before on creationism in the public school system or something of that nature, just to show them that, you know, if they were still considering this idea, that they might, I don't know, be met with some litigation or something.

Sentence: Bertha Spahr has talked to kennedy

Output:
It's impossible to say