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 seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.

Ex Input:
Title: Sleep Walking. Sentence 1: I started sleep walking when I was 3. Sentence 2: I got up to go to the bathroom. Sentence 3: I walked into my bedroom closet instead. Sentence 4: I closed the door and tried to find the toilet. Choices: a. Molly ended up winning six thousand dollars. b. I freaked out when I couldn't find it.

Ex Output:
b

Ex Input:
Title: My Diagnosis. Sentence 1: When I was 12 years old, my dad got angry and kicked me aggressively. Sentence 2: Afterward, I became very ill, and tasted something metallic. Sentence 3: I went to a doctor, and was informed that one of my kidneys was dead. Sentence 4: Ever since, I've had swelling and hypertension. Choices: a. I started taking medications to combat the symptoms at 13. b. Fred was glad that his feet no longer got hot in the summer.

Ex Output:
a

Ex Input:
Title: House building. Sentence 1: Jamie built doll houses for a living. Sentence 2: As he was self-conscious, he told people he was an architect. Sentence 3: When an acquaintance asked him for a house, he drew the plans. Sentence 4: He built the house and showed it with pride. Choices: a. He was happy he made the hike. b. His acquaintance was speechless as he was facing a doll house.

Ex Output:
b