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: Halloween Fright. Sentence 1: Jacob loved scaring kids on Halloween. Sentence 2: He always picked the scariest masks. Sentence 3: When the doorbell rang on Halloween night, he opened the door. Sentence 4: He had his mask on, ready to make the kids jump. Choices: a. The kids had on their own scary masks and scared Jacob instead! b. They wanted to experience everything Costa Rica had to offer.
Output:
b