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.

Ex Input:
Sentence1: Billy had a toy ball. Sentence2: He would take his ball wherever he went. Sentence3: One day, he had to go to school. Sentence4: His mom took his ball away from him.
(A) Billy was very happy. (B) Billy was very upset.

Ex Output:
B

Ex Input:
Sentence1: Janice usually wears jeans to work every day. Sentence2: However, now she has been promoted to manager. Sentence3: She decides she needs to dress a little more formally. Sentence4: Janice buys a few pairs of khakis for work.
(A) She also bought plenty of blouses. (B) She wore a ripped shirt the next day.

Ex Output:
A

Ex Input:
Sentence1: Alexia was excited to get a new dog. Sentence2: She had wanted a new dog for ages. Sentence3: Finally her parents agreed to get her one. Sentence4: They drove her to the kernel to pick one up.
(A) Alexia fell in love with a shaggy dog at the kennel. (B) Alexia cried because she wanted a cat instead.

Ex Output:
A