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.

Ex Input:
Title: Circus Surprise. Sentence 1: Tim's parents took him to the circus. Sentence 2: He was having a pretty good time. Sentence 3: All of a sudden the clowns came out. Sentence 4: Tim was really scared of them. Choices: a. One got too close and made him cry. b. Tom had to watch it again the next day.

Ex Output:
b

Ex Input:
Title: The Speaker. Sentence 1: The school gathered in the gym. Sentence 2: They were going to listen to a speaker. Sentence 3: The speaker was going to talk about saying no to drugs. Sentence 4: The kids listened intently. Choices: a. The speaker made a big impression on them. b. Kelly had to dump Ryan because she likes the city too much.

Ex Output:
b

Ex Input:
Title: The Dog. Sentence 1: Gia wanted to get a new pet. Sentence 2: She went to the shelter and found the perfect dog. Sentence 3: He was tiny and brown. Sentence 4: Gia took him home and spoiled him. Choices: a. They made the perfect pair! b. They ignored the predator and prey aspect and stayed buddies.

Ex Output:
b