In this task, you're given five sentences, numbered 1 through 5, and two options a and b for possible titles for the story. Your job is to choose the title that better fits the story. Indicate your choice by 'a' or 'b'.

Ex Input:
Sentence 1: During a big snow storm, I woke up one night. Sentence 2: My neighbor's cat was screaming to get in. Sentence 3: After half an hour my neighbor didn't open her door. Sentence 4: As the cat was still screaming for help, I went downstairs. Sentence 5: My neighbor opened the door, she screamed at me, and left the cat out. Choices: a. Snow storm. b. Soft spoken.

Ex Output:
a

Ex Input:
Sentence 1: Jill loved butter. Sentence 2: But she noticed that she was gaining weight. Sentence 3: So she made efforts to use less butter when she cooked. Sentence 4: But she couldn't resist it. Sentence 5: So she decided to eat just butter despite her weight. Choices: a. Buttery. b. New Wallpaper.

Ex Output:
a

Ex Input:
Sentence 1: Janice and Mark decided to go to her parent's for dinner. Sentence 2: So they both got dressed in their nice clothes. Sentence 3: They went out to the car, started it up, and took off for her parent's. Sentence 4: Thirty-two minutes later they arrived. Sentence 5: They went into her parent's home and had a fine dinner. Choices: a. Teacher. b. Dinner.

Ex Output:
b