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: Jose was excited. Sentence2: He had just gotten a new skateboard and wanted to try it out. Sentence3: He took it straight to the skatepark. Sentence4: He skated all day.
(A) Jose had fun at the skatepark. (B) Jose threw away his skateboard.

Ex Output:
A

Ex Input:
Sentence1: Rob like salsa. Sentence2: So his friend Tom got him a large case of a rare variety. Sentence3: Tom was excited to give the gift to Rob. Sentence4: Rob opened the gift in disbelief and drew a smile.
(A) Rob was happy. (B) Rob was disappointed.

Ex Output:
A

Ex Input:
Sentence1: Amy is enrolled in an advanced Plant Biology course. Sentence2: She has a test next week about Photosynthesis. Sentence3: The information is complex and in depth. Sentence4: She wrote a song about it to memorize the material more easily.
(A) Amy then failed the test because she did not prepare. (B) Her song helped her and she then did well.

Ex Output:
B