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: Tree Surprise. Sentence 1: One day, my brother and I went for a walk in the woods. Sentence 2: We heard a mewing sound behind one of the trees. Sentence 3: We investigated and found a kitten there. Sentence 4: The kitten was starving so we took it home to feed it. Choices: a. We decided to keep the kitten as a pet. b. It had been a great adventure.
Example Output: b

Example Input: Title: Eating too many almonds. Sentence 1: Today Susie went to the grocery store. Sentence 2: She saw some salt and vinegar almonds. Sentence 3: When she went home she ate the whole can. Sentence 4: All the sudden her mouth hurt. Choices: a. He was diagnosed with seasonal depression. b. Susie then decided she would never eat them again.
Example Output: a

Example Input: Title: Peggy and the Horse.. Sentence 1: Peggy and Catherine were cousins. Sentence 2: Catherine was very bossy. Sentence 3: She had a horse she forbade Peggy to ride. Sentence 4: One day Peggy rode it anyway. Choices: a. I guess I have to choose between feeling good or having a job. b. It shocked Catherine and knocked her down a peg.
Example Output:
a