Input: 

By The Associated Press SANTIAGO, Chile (AP) — International experts: Chilean poet Pablo Neruda did not die of cancer. Copyright © 2017 The Associated Press. All rights reserved. This material may not be published, broadcast, written or redistributed.

Sentence: Cancer is a terrible disease.

Output: It's impossible to say


Input: 

How to prevent headaches after air travel<br>Try ibuprofen. Oftentimes, headaches that occur during or after flight are due to a sudden change in altitude. The painkiller ibuprofen may effectively prevent altitude related headaches before they begin.

Sentence: Headaches that occur during or after flight are usually due to a sudden change in altitude.

Output: Yes


Input: 

That, I take it, is a harm. Their works have already been created. Harm number 2. The fact that people, for the 99 percent of the copyrights that have no commercial value after 70 years, have to find the copyright holder to put them in databases. The cost of that, on my numbers in here, made up, at least a billion dollars, or they can't find the people at all and get permission, an innumerable cost, un -- valuable cost to people who want to use it.

Sentence: after 2 years, copyrights lose their value

Output: No


Input: 

Christopher Wheeler Christopher Wheeler is a U.S. Banking Analyst at Atlantic Equities LLP. Mr. Wheeler joined Atlantic Equities LLP in 2015, bringing extensive experience to its bank coverage. A qualified Chartered Accountant, Mr. Wheeler held a number of planning roles at Barclays Bank in the 1980s before becoming its first Head of IR. He joined Lehman Brothers in 1988 to cover European banks and has subsequently had senior bank research roles at Fox-Pitt, Kelton, Bear Stearns and Mediobanca.

Sentence: He joined Lehman Brothers in the year after 1987.

Output:
Yes