Input: 

How to win in an unarmed combat situation<br>First of all, it is imperative that you assess your situation. Going into a fight blind will never end well. Assess why your adversary is picking a fight and if he is alone, intoxicated, or armed.

Sentence: :You need to think through each move.

Output: It's impossible to say


Input: 

Poland is an unincorporated community in eastern Cass Township, Clay County, Indiana, United States. It lies along State Road 42 southeast of the city of Brazil, the county seat of Clay County. Its elevation is 696 feet (212 m). Although Poland is unincorporated, it has a post office, with the ZIP code of 47868.

Sentence: In Indiana, Poland has a smaller population than Brazil.

Output: It's impossible to say


Input: 

During the years between World War I and World War II, a great lesson was learned by our military leaders and the people of the United States. The lesson was that in the aftermath of World War I, we kind of turned our backs and left them to their own devices and they brewed up a lot of trouble that quickly became World War II.

Sentence: Them refers to Europe

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: Even though Mr. Harrison did not say another word, Anne was sure that he was not really paying attention to what she was telling him. 

Output: