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: My baby was getting very fussy and I didn't know why. Sentence 2: I tried to change her diaper but that did not work. Sentence 3: Eventually I figured out that she was hungry. Sentence 4: I bottle fed her for the next 20 minutes. Sentence 5: After that she got quiet and fell asleep. Choices: a. The Bucket. b. The Baby.
Example Output: b

Example Input: Sentence 1: I decided to go play pool with friends. Sentence 2: We were having fun. Sentence 3: We were approached by some competitors. Sentence 4: We played against them and lost. Sentence 5: We decided to just go to the movies from then on. Choices: a. The cheater. b. Playing Pool for fun.
Example Output: b

Example Input: Sentence 1: Steve got home late from work and pulled into his parking lot. Sentence 2: He was annoyed to see there was a car parked in his reserved spot. Sentence 3: He left a note on the car and went to find street parking. Sentence 4: The next morning, there was a note taped to Steve's front door. Sentence 5: It was from a new neighbor, who apologized profusely for the mistake. Choices: a. Parking Problems. b. A Weighty Problem.
Example Output:
a