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: Nancy was sitting near the science building. Sentence2: Ian tried to sneak close to her. Sentence3: She didn't notice until she looked around. Sentence4: Ian threw a pie directly in her face.
(A) Nancy caught the pie and began to eat it. (B) Nancy began to cry and felt humiliated.

Ex Output:
B

Ex Input:
Sentence1: My birthday was yesterday. Sentence2: To my surprise my friends planned a party for me. Sentence3: I could not believe it. Sentence4: The party was very fun.
(A) I hated my birthday. (B) It was the best birthday party ever.

Ex Output:
B

Ex Input:
Sentence1: We spent our thirtieth anniversary on the California coast. Sentence2: It was chilly and foggy and drizzly. Sentence3: I had plans to spend time on the beach with my water colors. Sentence4: On our third day we discovered a family of whales near the pier.
(A) I painted a picture of the whales. (B) I drove to New York that same night.

Ex Output:
A