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: Whiteout. Sentence 1: My sister in law is a waitress in an assisted living center. Sentence 2: We were in her apartment last Tuesday, during an inspection. Sentence 3: We saw four bottles of white out on her table. Sentence 4: I asked her why she has so much whiteout. Choices: a. She said she took them from work one day but does not know why. b. He was surprised and happy when he learned he made the team.

Output: a

Input: Consider Input: Title: Merry Go Round. Sentence 1: Sally could not decide between the white horse and pink bunny. Sentence 2: Choosing the right animal on the merry go round was serious business. Sentence 3: She finally decided on the pink bunny. Sentence 4: Her grandmother realized she wanted to ride the horse as much. Choices: a. They took lots of pictures of the animals. b. So she got her a ticket for a second ride.

Output: b

Input: Consider Input: Title: Study. Sentence 1: John had a test coming up in three days. Sentence 2: So John was ready to study for his test. Sentence 3: He needed to pass it in order pass the class. Sentence 4: John studied for those three days. Choices: a. John took the test and passed it. b. He was excited to realize that he had been published.
Output: a