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: I found a cat tail in the yard. Sentence 2: It looked like it had been bitten off. Sentence 3: I looked around for a large animal. Sentence 4: I didn't see anything. Sentence 5: I got a shovel to clean it up. Choices: a. Dreams. b. Tail.

Ex Output:
b

Ex Input:
Sentence 1: Richard was driving to work. Sentence 2: He wanted to buy a cup of coffee. Sentence 3: He pulled into a Starbucks. Sentence 4: Richard got out of his car. Sentence 5: He went into the Starbucks. Choices: a. Ian's Snacks. b. coffee time.

Ex Output:
b

Ex Input:
Sentence 1: One day Suze and her friends decided to hold a ping pong contest. Sentence 2: First they cleared off the old table in Suze's basement. Sentence 3: Then they got out the paddles and the ball. Sentence 4: They played for a while. Sentence 5: Suze ended up winning! Choices: a. Empire State Building. b. Ping Pong.

Ex Output:
b