Input:

(ISTOCKPHOTO)There's no such thing as breast cancer prevention (although prophylactic mastectomy or taking drugs to prevent a recurrence get pretty close). But making a few basic lifestyle changes can significantly reduce your risk of developing the disease. Most importantly, be sure to get regular screeningsespecially mammogramsbecause cancer is often fairly easy to treat if caught early. View the slideshow.

Sentence: Mammograms will prevent breast cancer.

Output: No

Input:

The bus, which was heading for Nairobi in Kenya , crashed in the Kabale district of Uganda near the Rwandan border.

Sentence: The bus crash did not cause any inconvenience

Output: It's impossible to say

Input:

YOUNGSTOWN, OH (WKBN) We are past the halfway point of the football season and the list of undefeated teams continues to dwindle. Just six undefeated teams are left: Canfield, Poland, Girard, South Range, Wilmington and Grove City. Before we flip the page to Week 7, we took a look back at the week that was, Sports Team 27 saw 19 games this week and we cut all the video down to the best of the best in our Top Plays of the Week.

Sentence: Football is played often in Youngston, Ohio

Output: It's impossible to say

Input:

Spanish<br>The man practiced his Spanish. A Mexican woman heard him. She offered to help. The man accepted. They developed a romantic relationship.

Sentence: The woman offered to help because she was attracted to the man.

Output:
It's impossible to say