Input:

In 1979, the very first cases of AIDS appeared in New York. Cases of the disease that had never been seen prior to 1979, but is now considered more deadly than the bubonic plague, continued to surface in California and New York, almost exclusively in homosexual men.

Sentence: Monkeys are the cause of AIDS.

Output: It's impossible to say

Input:

The situation is being monitored by the World Health Organization but says "it is too early to know whether the virus is changing in ways that would signal the start of a human flu pandemic," says Maria Cheng a spokeswoman for the WHO. "It's one isolate from a single virus from Turkey. The sample suggests the virus might be more inclined to bind to human cells rather than animal cells, but there's no evidence that it's becoming more infectious. If we started to see a lot more samples from Turkey with this mutation and saw the virus changing, we'd be more concerned."

Sentence: People that are not from Turkey cannot be infected by the virus.

Output: It's impossible to say

Input:

"I Don't Wanna Play House" is a song written by Billy Sherrill and Glenn Sutton. In 1967, the song was Tammy Wynette's first number one country song as a solo artist. "I Don't Wanna Play House" spent three weeks at the top spot and a total of eighteen weeks on the chart. The recording earned Wynette the 1968 Grammy Award for Best Female Country Vocal Performance.

Sentence: Tammy Wynette had a number one country song as part of a group

Output: It's impossible to say

Input:

Vic & Anthony's is an American steakhouse restaurant chain with locations in Downtown Houston, ]and inside the Golden Nugget Casinos in Las Vegas and Atlantic City. A fourth location is scheduled to open inside the new Golden Nugget Lake Charles in late 2014. Vic & Anthony's is owned and operated by Landry's, Inc.

Sentence: The owners are both over 28 years old

Output:
It's impossible to say