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 Direction. Sentence 1: Jeffrey threw a Frisbee at Carlos. Sentence 2: The Frisbee approached him. Sentence 3: However, the wind blew it in another direction. Sentence 4: It smacked Jane on the head. Choices: a. She had a large bruise on her head. b. The police discovered the demolished car at the bottom of the hill.

Output: a

Input: Consider Input: Title: The Train is Cheaper. Sentence 1: Nigel was traveling to visit his aunt. Sentence 2: He was looking at flights but they were all too expensive. Sentence 3: Then he saw that train rides were much more affordable. Sentence 4: He bought his ticket and hoped for the best. Choices: a. For the rest of his life, Jim lied for his own benefit. b. Luckily the train ride was not too bad at all.

Output: b

Input: Consider Input: Title: Lid. Sentence 1: I had trouble opening the lid to a container today. Sentence 2: I tried pulling the lid off. Sentence 3: It would not budge. Sentence 4: Finally I saw the lid had a flip top. Choices: a. I flipped the top and the lid came off. b. I saw him talking to the concierge, who was not happy.
Output: a