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: The Bee Sting. Sentence 1: Two dogs, Thor and Zeus, were playing outside. Sentence 2: Zeus kept coming to the door barking. Sentence 3: When April opened the door he walked away waiting for her to follow. Sentence 4: She followed him to Thor, who's face was swollen. Choices: a. She took him to the vet and found out he ate a bee. b. She ended up getting pencil all over her new dress!
Output:
b