Input:

The twenty-first season of British science fiction television series "Doctor Who" began on 5 January 1984 with the 5th Doctor (Peter Davison) serial "Warriors of the Deep", and ended with Colin Baker's first serial "The Twin Dilemma". For only the second time (the first being during season 4), the entire TARDIS crew changed over the course of a single season.

Sentence: There were at least twenty seasons of a British TV series.

Output: Yes

Input:

The 198th Infantry Brigade, was first formed as part of the United States Army Reserve's 99th Division. It was active from 1967 through 1971 and has been active since 2007 as an Infantry Training Brigade as part of the US Army Infantry School at Fort Benning, Georgia.

Sentence: The Brigade was inactive between 1972-2006.

Output: Yes

Input:

Brown University is a private Ivy League research university in Providence, Rhode Island, United States. Founded in 1764 as the College in the English Colony of Rhode Island and Providence Plantations, Brown is the seventh-oldest institution of higher education in the United States and one of the nine colonial colleges chartered before the American Revolution.

Sentence: Brown University has a large library

Output: It's impossible to say

Input:

Linda Ellerbee (born August 15, 1944) is an American journalist who is most known for several jobs at NBC News, including Washington, D.C. correspondent, and also as host of the Nickelodeon network's "Nick News with Linda Ellerbee". Her work on "NBC News Overnight" was recognized by the jurors of the duPont Columbia Awards as "possibly the best written and most intelligent news program ever."

Sentence: Linda Ellerbee is an American journalist who is known for her works on "NBC News Overnight" as the best written and most intelligent news program ever.

Output:
It's impossible to say