Input: 

The 2013 USA Outdoor Track and Field Championships was held at Drake Stadium in Des Moines, Iowa. Organised by USA Track and Field, the four-day competition took place June 20–23 in conjunction with the USA Junior Outdoor Track & Field Championships which started the day before and served as the national championships in track and field for the United States.

Sentence: Iowa was home to the USA Outdoor Track and Field Championships in 2013.

Output: Yes


Input: 

You know, in the last, or two decades ago it was routine for leaders of foreign countries to come over here and say you guys have got to do something about these horrendous deficits because it's causing tremendous problems for the rest of the world, and we were lectured to all the time.

Sentence: Only the most powerful foreign leaders go there

Output: It's impossible to say


Input: 

It is -- well, it -- let me say with respond -- in response to both of those questions, an unlimited time would violate the Copyright Clause. Something that was the functional equivalent of an unlimited time would violate the Copyright Clause, but the Framers specifically did not put in numbers.

Sentence: Someone has a clear idea of what the time is for violating the copyright clause.

Output: It's impossible to say


Input: 

Native of South Korea and world-class violinist, Kyung Sun Lee, joins the LCO as they perform Astor Piazzolla's beautiful composition, "Four Seasons." Ms. Lee has received medals from a number of international competitions, including the Tchaikovsky, Queen Elizabeth, Montreal, Washington, and D'Angelo International competitions. The evening's program will conclude with Bach's "Art of the Fugue" and Mahler's "Adagietto" from his Fifth Symphony.Free admission (suggested donation: $10 - $20).

Sentence: Bach wrote a fugue

Output:
It's impossible to say