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: 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.

Ex Output:
b

Ex Input:
Title: Adam goes too fast. Sentence 1: Adam is driving too fast down the road. Sentence 2: His car started to make a loud noise. Sentence 3: He pulled over to see what was wrong. Sentence 4: The engine was smoking very badly. Choices: a. The day rent was due Randy was nowhere to be found. b. He backed away from the car and called for help.

Ex Output:
a

Ex Input:
Title: Tornado in the Mind. Sentence 1: Dan had recurring dreams about an approaching tornado. Sentence 2: Dan was disturbed by having this dream night after night. Sentence 3: Dan went to see a therapist to talk about this. Sentence 4: Dan learned that his dream may indicate some latent anxiety. Choices: a. Now Dan and that ring of kids a best friends. b. Dan found great relief in discovering this about himself.

Ex Output:
a