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: Karl woke up in a terrible mood. Sentence 2: The first thing he did was spill coffee on his clean white shirt. Sentence 3: He swore and screamed and punched his door. Sentence 4: After that, he changed his shirt and left his house. Sentence 5: He met his girlfriend at the beach and took his shirt off. Choices: a. Too Much Wine. b. Karl Goes to the Beach.
Example Output: b

Example Input: Sentence 1: Vickie carried her cello back and forth to school everyday. Sentence 2: One day she got tired of carrying it to school. Sentence 3: So she talked to her music teacher. Sentence 4: She followed his advice. Sentence 5: Vickie now plays violin. Choices: a. Jim's Water. b. Vickie.
Example Output: b

Example Input: Sentence 1: Marnie sat under her umbrella at the beach. Sentence 2: She watched the beach goers wading in the water. Sentence 3: A nice breeze flowed through her umbrella. Sentence 4: Marnie grabbed a coconut water from her cooler. Sentence 5: The beach during the summer is her favorite. Choices: a. Beach Day. b. Larry Plays Pinball.
Example Output:
a