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: John goes to the store.. Sentence 1: John went to the store. Sentence 2: John wanted to buy tomatoes. Sentence 3: He looked everywhere for the tomatoes. Sentence 4: The store was sold out of fresh tomatoes. Choices: a. Kathie was treated for a mild concussion. b. John was sad, and went to another store.
Example Output: a

Example Input: Title: Trip to Australia. Sentence 1: Kelley wanted to go away. Sentence 2: She thought about going to Australia. Sentence 3: She brought along some friends. Sentence 4: On the plane ride there she met someone. Choices: a. I sat at my desk and continued to worry. b. They ended up getting together.
Example Output: a

Example Input: Title: Painted Bat. Sentence 1: Andrew painted his sons bat. Sentence 2: His son swung it at a ball. Sentence 3: The paint cracked where the ball hit. Sentence 4: Andrew tried a different paint. Choices: a. His golf swing improved with that advice. b. The son asked for an unpainted bat.
Example Output:
a