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: He sat back in the chair. Sentence 2: He tried to relax. Sentence 3: He stretched his feet on the ottoman. Sentence 4: He sighed with relief. Sentence 5: His feet felt better. Choices: a. Tragedy. b. Feet.

Ex Output:
b

Ex Input:
Sentence 1: Teresa wanted to watch her favorite show on TV. Sentence 2: Her brother wanted to watch his favorite show too. Sentence 3: As they only had one TV, they had to decide who would get their wish. Sentence 4: They flipped a coin and called their choice. Sentence 5: When her brother won, Teresa left the room angry. Choices: a. Tax evasion. b. Flipping coins.

Ex Output:
b

Ex Input:
Sentence 1: Anna's cat caught a bird one day. Sentence 2: The cat injured the bird's wind pretty badly. Sentence 3: Then Anna's mom brought the bird inside. Sentence 4: Together, the two bandaged its wings and tail. Sentence 5: Soon, the healed bird was ready to fly! Choices: a. You won!. b. Bird.

Ex Output:
b