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: Boating Accident. Sentence 1: Jake was out on the lake with friends. Sentence 2: Jake had been drinking and tried to steer the boat. Sentence 3: He accidentally flipped it over. Sentence 4: A couple of friends were injured. Choices: a. Tom went home early. b. Everyone was soaked, cold and annoyed.

Ex Output:
a

Ex Input:
Title: The Duvet. Sentence 1: Randi wanted to spruce up her bedroom. Sentence 2: She bought a new duvet. Sentence 3: It was fluffy and white and beautiful. Sentence 4: She felt relaxed and refreshed when she was in her bed now. Choices: a. She had learned humility and gratitude! b. She decided to buy matching pillows to complete the look.

Ex Output:
a

Ex Input:
Title: The Fourth Day. Sentence 1: The weather man predicted 3 days of hot weather. Sentence 2: Kate figured she could make it through them. Sentence 3: On the night of the 3rd days she was relieved it was almost over. Sentence 4: Until she woke up to the 4th day of 95 degree weather. Choices: a. She didn't care since she knew he wouldn't call anyway. b. Kate was becoming irritated.

Ex Output:
a