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: Distracted. Sentence 1: Harry was writing a report from school. Sentence 2: But he was watching a movie at the same time. Sentence 3: Harry got a low score on his report. Sentence 4: And he realized he accidentally wrote movie lines in it. Choices: a. She just figures that maybe she could help someone choose differently. b. Harry tried to do his next report without distractions.

Ex Output:
a

Ex Input:
Title: The hurricane exhibit. Sentence 1: While on vacation, the Smith family visited a science museum. Sentence 2: Among the exhibits was the hurricane exhibit. Sentence 3: They walked through the exhibit entrance into a hurricane experience. Sentence 4: It was set up like a town with lots of wind, thunder and lightning. Choices: a. The Smiths thought this was the best exhibit they saw all day. b. Later on, she returned to the search, renewed.

Ex Output:
b

Ex Input:
Title: Stale Chips. Sentence 1: Tom bought a bag of chips. Sentence 2: When he opened them they were already stale. Sentence 3: Tom called the number on the bag. Sentence 4: He complained and told them what happened. Choices: a. In the end, the plan was so complicated, he had to let it go. b. They mailed him coupons to make up for it.

Ex Output:
a