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'.

Example Input: Sentence 1: Omar was on vacation. Sentence 2: And he saw an artisan coffee shop. Sentence 3: He thought about buying coffee there. Sentence 4: But he decided it was too expensive. Sentence 5: When Omar was back at home, though, all he thought about was coffee. Choices: a. Expensive Coffee. b. Ride.
Example Output: a

Example Input: Sentence 1: Mindy was a full time babysitter who loved her job. Sentence 2: She was highly recommended and everyone loved her work and price. Sentence 3: When the Milton's hired her they were shocked when they got home early. Sentence 4: They found her with a boy in their living room and she was also drunk. Sentence 5: Mindy was fired and no one wanted to hire her after that day. Choices: a. The Babysitter. b. Christmas album.
Example Output: a

Example Input: Sentence 1: Tom bought a new pair of sneakers. Sentence 2: They were very expensive. Sentence 3: He really liked them. Sentence 4: None of his friends agreed with him. Sentence 5: Tom didn't care and kept them. Choices: a. Expensive Sneakers. b. A New Watch.
Example Output:
a