Input: 

How to change schools in the middle of the school year<br>Meet with the new school's principal and teachers. If possible, hold a meeting between the school's teachers and principal and yourself. Ask about expectations for yourself and your child, including details about homework and school involvement.

Sentence: This can only be done in the middle of the school year

Output: It's impossible to say


Input: 

The Italian air transport sector features many typical causes of industrial conflict, including: the troubled economic situation of Alitalia, Italy's flagship airline (IT0404304F); a set of specific factors concerning services delivery; and a marked fragmentation of trade union representation.

Sentence: Alitalia is the name of a trade union representative.

Output: No


Input: 

Matthew Bair (born June 2, 1987), known by his stage name Matthew Koma, is an American singer, songwriter, DJ, and record producer. Matthew Koma is one of the writers behind numerous hit songs, including Zedd's "Spectrum," and Grammy Award-winner "Clarity," also with Zedd.

Sentence: His last name is Bair.

Output: Yes


Input: 

Contrary to what is happening in some other parts of the Amazon, where the forest is being slashed and burned at an alarming rate, those who want to save Acre's forest seem to be winning.

Sentence: The Amazon exists.

Output:
Yes