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.
One 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.
Solution is here: A
Explanation: As mentioned in fourth sentence, the incident turned a new leaf to Rick's life; so, he must be happy now.

Now, solve this: Sentence1: Bev had been studying very hard. Sentence2: She couldn't wait for the weekend. Sentence3: When it came, she slept in very late. Sentence4: Then she got up and went out to party. 
 (A) By Sunday night, Bev was exhausted again. (B) Bev got the mail and fed the fish, just like she did every day.
Solution:
A