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: Cristin went to a music festival. Sentence2: One of Kristin's favorite bands should be performing at the festival. Sentence3: She found out that her favorite band's performance was cancelled. Sentence4: Cristin is frustrated that she did not get to see their performance.
(A) Cristin enjoyed seeing her favorite band that night. (B) Cristin decided not to go to the festival next year.

SOLUTION: A

PROBLEM: Sentence1: Mark and Frank were swimming in Mark's family's pool. Sentence2: Mark's mother brought out a sponge ball to them. Sentence3: Mark and Frank had fun tossing the ball back and forth. Sentence4: But then the saturated ball accidentally hit Mark's mother!
(A) Mark and Frank apologized profusely. (B) Mark and Frank hit her again.

SOLUTION: B

PROBLEM: Sentence1: Dave loved the outdoors. Sentence2: One day he decided to go on a hike. Sentence3: As he walking on the trail, he heard a hissing sound. Sentence4: To his right on the ground was a rattle snake!
(A) Dave backed away slowly. (B) Dave took pictures of the tall trees.

SOLUTION:
B