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: Jamie was driving a small boat. Sentence 2: The boat hit a big wave. Sentence 3: Jamie almost flew out of the boat. Sentence 4: He decided to slow down some. Sentence 5: The ride was easier. Choices: a. The Missing Sponge. b. A Boat Ride.
Example Output: b

Example Input: Sentence 1: Howard was getting bullied. Sentence 2: He did not know what to do. Sentence 3: His friend ended up standing up to the bully. Sentence 4: His friend beat the bully up. Sentence 5: The bully did not bother howard anymore. Choices: a. Bullies. b. Sister.
Example Output: a

Example Input: Sentence 1: Tim's electricity kept having trouble. Sentence 2: At one point it took out the refrigerator. Sentence 3: Tim had to do something about the food. Sentence 4: He tried to eat as much as possible. Sentence 5: The rest he gave out to friends. Choices: a. Broken Refrigerator. b. The birthday gift.
Example Output:
a