Part 1. 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 sentence choices from (A) and (B), such that the story sounds fully coherent.
Part 2. Example
Sentence1: Rick grew up in a troubled household. Sentence2: He never found good support in family, and turned to gangs. Sentence3: It wasn't long before Rick got shot in a robbery. Sentence4: The incident caused him to turn a new leaf. 
 (A) He is happy now. (B) He joined a gang.
Answer: A
Explanation: As mentioned in fourth sentence, the incident turned a new leaf to Rick's life; so, he must be happy now.
Part 3. Exercise
Sentence1: Amber had a lot of things to do this Sunday. Sentence2: She made a list of all the places she needed to go. Sentence3: She hurried to get ready. Sentence4: She was worried that she would not have enough time. 
 (A) Amber enjoyed a relaxing two hour brunch. (B) Amber was so hurried she left the list at home.
Answer:
B