Input: 

Elizabeth Dowdeswell is the Under Secretary General at the United Nations Offices at Nairobi and Executive Director of the United Nations Environment Programme.

Sentence: Elizabeth Dowdeswell lives in Nairobi.

Output: It's impossible to say


Input: 

Computer<br>Taylor loved to use his computer. He would use it almost everyday. One day, he decided to turn his computer on. His computer froze so he rushed to the store. Finally, his computer was fixed and was able to boot.

Sentence: Taylor doesn't know how to use technology

Output: No


Input: 

How to open a mortgage company<br>Learn about the mortgage industry. If you are not already in the industry, then you will need to understand it more fully before going into business. Take time to read about how mortgages are structured, including things like escrow, interest calculations, and various penalties and fees.

Sentence: Mortgage companies existed. 

Output: Yes


Input: 

London Calling is the third studio album by English punk rock band the Clash. It was released as a double album in the United Kingdom on 14 December 1979 by Columbia Records, and in the United States in January 1980 by Epic Records. "London Calling" is an album that incorporates a range of styles, including punk, reggae, rockabilly, ska, New Orleans R&B, pop, lounge jazz, and hard rock.

Sentence: london calling was the not the original title

Output:
It's impossible to say