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: 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: Tree Surprise. Sentence 1: One day, my brother and I went for a walk in the woods. Sentence 2: We heard a mewing sound behind one of the trees. Sentence 3: We investigated and found a kitten there. Sentence 4: The kitten was starving so we took it home to feed it. Choices: a. We decided to keep the kitten as a pet. b. It had been a great adventure.

Ex Output:
b

Ex Input:
Title: Painting. Sentence 1: The man painted the bride. Sentence 2: The bride was curious how it looked. Sentence 3: She asked her husband to look. Sentence 4: He thought the painting was beautiful. Choices: a. He gave the artist a large tip. b. Jim ended up failing school.

Ex Output:
b