Input:

A governorate is an administrative division of a country. It is headed by a governor. As English-speaking nations tend to call regions administered by governors either states, provinces, or colonies, the term "governorate" is often used in translation from non-English-speaking administrations.

Sentence: A governorate is an elected position.

Output: It's impossible to say

Input:

Orange, Red, Yellow is a 1961 Color Field painting by Mark Rothko. It sold at Christie's for $86.882.500 on May 8, 2012. The seller was the estate of David Pincus and the sale price represents a record nominal price for Post-War / contemporary art at public auction and for Rothko works in general.

Sentence: The painting was almost destroyed during a tornado in March 2000.

Output: It's impossible to say

Input:

Pavel Sergeyevich Alexandrov (Russian: ), sometimes romanized Paul Alexandroff or Aleksandrov (7 May 1896 16 November 1982), was a Soviet mathematician. He wrote about three hundred papers, making important contributions to set theory and topology.

Sentence: Pavel wrote most of his papers during World War 1.

Output: It's impossible to say

Input:

weRead, formerly iRead, is an online community of book enthusiasts. weRead started out as a social cataloging application on Facebook in June 2007 and has since expanded to over 3.1 million active members across Facebook, MySpace, Orkut, Hi5, and Bebo.

Sentence: weRead started out as an application in 2007

Output:
Yes