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 does not connect with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes less sense.

Example Input: Title: Boating Accident. Sentence 1: Jake was out on the lake with friends. Sentence 2: Jake had been drinking and tried to steer the boat. Sentence 3: He accidentally flipped it over. Sentence 4: A couple of friends were injured. Choices: a. Tom went home early. b. Everyone was soaked, cold and annoyed.
Example Output: a

Example Input: Title: Egg Toss. Sentence 1: The fourth grade egg toss was down to two groups. Sentence 2: Bill gently tossed the egg to Sam, who caught it easily. Sentence 3: Jill threw hers to Molly who also caught it. Sentence 4: Both groups took two steps back. Choices: a. This time Sam's toss was too hard so the egg splattered on Bill. b. I'm really proud of how well I dance.
Example Output: b

Example Input: Title: mTurk Work. Sentence 1: I had been working on mTurk all day. Sentence 2: It was 10:30 and I was tired. Sentence 3: We were getting ready to go to bed. Sentence 4: Suddenly I saw there were hits available for telling stories. Choices: a. I stayed up for another hour writing stories. b. He was uneasy and turned down the offers.
Example Output:
b