Input:

Investigators in Venezuela have been combing the grisly wreck of a Colombian plane which crashed on Tuesday, killing all 160 people on board.

Sentence: The Colombian plane was a very large plane

Output: It's impossible to say

Input:

Wal-Mart has received a lot of negative publicity recently, including allegations that it used illegal workers and made employees work without pay during lunch breaks, as well as complaints that it generally underpays employees.

Sentence: Wal-Mart has received a lot of helpful publicity recently.

Output: No

Input:

London Calling is the third studio album by English punk rock band the Clash. It was released as a double album in the United Kingdom on 14 December 1979 by Columbia Records, and in the United States in January 1980 by Epic Records. "London Calling" is an album that incorporates a range of styles, including punk, reggae, rockabilly, ska, New Orleans R&B, pop, lounge jazz, and hard rock.

Sentence: London Calling is the third studio album by English punk rock band U2

Output: No

Input:

Key<br>Adam's mom and dad worked until 5 every afternoon. Adam had to come home from school and let himself in. But in two months he lost his key four times! Finally his parents grew fed up with Adam's carelessness. They arranged for a neighbor to hold the key instead!

Sentence: The neighbor lost his keys four times.

Output:
It's impossible to say