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: Bee Allergy. Sentence 1: Tony was playing outside with his friends. Sentence 2: They discovered a large bee's nest. Sentence 3: Tony poked it with a stick. Sentence 4: As the bees swarmed out, many stung Tony. Choices: a. Tony discovered he is allergic to bees. b. Hannah breaks up with Nate because he didn't propose.

Output: b

Input: Consider Input: Title: Ice Cream. Sentence 1: Swarthanger took a leisurely stroll down Broad St. Sentence 2: He noticed a man on top of a ledge of a building. Sentence 3: Swarthanger screamed and told him not to jump. Sentence 4: He said he would buy him an ice cream cone if he didn't. Choices: a. The man insisted it be Rocky Road, and ran down to get the ice cream. b. We laughed at all the psychics in the family.

Output: b

Input: Consider Input: Title: Burned Down. Sentence 1: Tom was away on vacation. Sentence 2: He got home to ambulances. Sentence 3: His house had caught fire while he was gone. Sentence 4: Tom tried desperately to go in and save things. Choices: a. Unfortunately everything was lost. b. She got up at six, cranky and groggy.
Output: b