In this task, you're given the title of a five-sentence story, the first four sentences, and two options for the fifth sentence as a and b. Your job is to pick the sentence option that seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.

Input: Consider Input: Title: Bad trading day. Sentence 1: Fred was short the market. Sentence 2: He thought it was going down. Sentence 3: Unfortunately the opposite happened. Sentence 4: The market rallied. Choices: a. Jerry cried himself to sleep. b. Fred lost his money.

Output: b

Input: Consider Input: Title: Flight of the Bumblebee. Sentence 1: Dottie waved her net through the air. Sentence 2: She was catching butterflies in the summer sun. Sentence 3: There was an especially fat one with yellow and black stripes. Sentence 4: With a swish of her net, Dottie snared the butterfly. Choices: a. No long after the trip the wall was taken down. b. Further examination revealed the butterfly was actually a bumblebee.

Output: b

Input: Consider Input: Title: walk out. Sentence 1: The employees were mad at management. Sentence 2: They organized a walkout. Sentence 3: Management closed the store for the day. Sentence 4: The next day there were new employees. Choices: a. The old employees were fired. b. We made sure she was ok while we tried not to laugh.
Output: a