TASK DEFINITION: In this task, you're given four sentences of a story written in natural language. The given story is not complete and your job is to complete the story by selecting one of the end sentence choices from (A) and (B), such that the story does not sound complete and coherent, i.e., select an incorrect end sentence.
PROBLEM: Sentence1: The first day of school I walked there with two of my closest friends. Sentence2: We were all very nervous. Sentence3: When we got to school we checked the class list for third grade. Sentence4: All three of us were assigned to the same classroom!
(A) We couldn't believe our luck. (B) All three of us were very disappointed.

SOLUTION: B

PROBLEM: Sentence1: Ben was married to his high school sweetheart. Sentence2: They were married for many Year's. Sentence3: Ben realized one day that he was unhappy in his marriage. Sentence4: He decided to have an affair.
(A) His wife was proud of him. (B) His wife found out and they got a divorce.

SOLUTION: A

PROBLEM: Sentence1: Many years ago, the United States was not a country. Sentence2: Instead, the people who lived there were part of England. Sentence3: They decided they wanted to be their own country. Sentence4: There was a long war, but ultimately they prevailed.
(A) After a few years, the States decided to return to England. (B) The war was called the American Revolution.

SOLUTION:
A