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.

Input: Consider 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.

Output: a

Input: Consider Input: Title: Missed Class. Sentence 1: One day, I was late for class. Sentence 2: I had forgotten the teacher said to meet in the library that day. Sentence 3: I went to class, and sat there for half an hour alone. Sentence 4: The teacher finally sent my best friend to find me. Choices: a. She said the teacher was laughing at me, so I was relieved. b. He got his ball and also managed to get a date with her.

Output: b

Input: Consider Input: Title: Carla and Friends. Sentence 1: Carla is starting sixth grade at a new school. Sentence 2: Her new class will not have any of her old friends. Sentence 3: Carla tries to make new friends in her class. Sentence 4: No one wants to be friends with Carla. Choices: a. The girl took his hand at lunch and brought him to her table. b. She keeps trying until she does make a few friends.
Output: a