Input:

In recent months we have witnessed one of the most disturbing human tragedies since the second world war: ethnic cleansing, deportation and dispossession of close to one million Kosovars, who have been deprived on both a number of civil rights and their right to self-government by the Milosevic regime for some ten years now.

Sentence: This incident was neither disturbing nor a tragedy

Output: No

Input:

Carl Smith collided with a concrete lamp-post while skating and suffered a skull fracture that caused a coma. When he failed to regain consciousness, his parents on August 8 consented to his life support machine being turned off.

Sentence: Carl's coma was caused by the collision.

Output: Yes

Input:

Interstate 515 (I-515) is a spur of Interstate 15 in Nevada that runs from the junction of I-15, US 93 and US 95 (the Las Vegas Spaghetti Bowl Interchange) in Downtown approximately 20 mi southeast to just north of Railroad Pass in southeastern Henderson.

Sentence: interstate 515 is in the state of israel

Output: No

Input:

Calendar " Garden Preschool Community Open House August 25, 2012 from 10:00 AM - 2:00 PM SBCEO Garden Preschool is a private, non-profit, quality preschool/pre-K program in the downtown Santa Barbara area. Come for a visit, tour the school and play yard and meet the teachers. Come see what we have to offer.

Sentence: Garden Preschool Community Open House has a teacher named bill

Output:
It's impossible to say