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: Family Trip. Sentence 1: Erika didn't want to go on a trip with her family. Sentence 2: She thought it was lame and boring. Sentence 3: After the first day there she started to relax. Sentence 4: By the end of it she found herself having a lot of fun. Choices: a. Hector found a dead body in the ground and calls the police. b. Erika now looks forward to their next family trip.

Ex Output:
a

Ex Input:
Title: The Blanket. Sentence 1: Before I go to bed, I clean up my sofa. Sentence 2: I try to make sure nothing is on it. Sentence 3: That involves folding my blanket if it has been used. Sentence 4: My cat immediately jumps on the blanket after it is folded. Choices: a. It is my cat's favorite place to lay. b. Then she noticed her alarm had gone off an hour early!

Ex Output:
b

Ex Input:
Title: Jill wants to party. Sentence 1: Jill got a call from her friend Betty. Sentence 2: She told her there was big party at Brad's tonight. Sentence 3: Jill was so excited to go with Betty. Sentence 4: The two got dressed and headed to the party. Choices: a. Rex was glad that he didn't feel sleepy any longer. b. Jill and betty danced the night away at the party.

Ex Output:
a