Definition: 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: Title: Barfy Bear. Sentence 1: Bob had a stuffed bear when he was young. Sentence 2: He used to play with it all the time. Sentence 3: Until one day he got sick and threw up on the bear. Sentence 4: His mother cleaned it up so he could use it again. Choices: a. But from that day on he called it barfy bear. b. It was no surprise to anyone when they got married in the spring!
Output:
b