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 Sergeyevich Alexandrov was a Russian mathematician.

Output: Yes

Input:

Performance Car, commonly abbreviated to PC, was an automobile magazine from the United Kingdom published by EMAP between October 1983 and July 1998. As suggested by the title, the magazine focussed on the high performance sector of the car market, from hot hatches through to supercars.

Sentence: PC was published in Britain.

Output: Yes

Input:

"Pour Me" is a debut song recorded by American country music group Trick Pony. It was released in October 2000 as the first single from their debut album "Trick Pony". The song was written by group members Keith Burns, Ira Dean and Heidi Newfield with Rory Waters Beighley and Sammy Harp Wedlock.

Sentence: "Pour Me" was a top 10 country hit.

Output: It's impossible to say

Input:

Sherwood Stewart (born June 6, 1946, in Goose Creek, Texas, United States) played amateur and professional tennis in the 1970s and 1980s. Stewart was ranked as high as No. 60 in the world in singles on the ATP Rankings on December 31, 1978, and No. 4 in doubles on January 3, 1983.

Sentence: Sherwood Stewart is more than 20 years old.

Output:
Yes