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: Jackie was eating a burger in a wrapper. Sentence 2: She did not see a trash can, so she threw the wrapper on the ground. Sentence 3: A cop saw her do this. Sentence 4: He told her to pick it up. Sentence 5: He wrote her a ticket and now she has to clean a park. Choices: a. Littering. b. No Partners Allowed.
Example Output: a

Example Input: Sentence 1: Bill was driving down the road. Sentence 2: He saw his friend Amy walking. Sentence 3: He stopped his car. Sentence 4: He gave her a ride. Sentence 5: Then he went home. Choices: a. Paragliding. b. Ride.
Example Output: b

Example Input: Sentence 1: Several shots were fired at us. Sentence 2: I had to hide behind a few building to avoid being shot. Sentence 3: My partners were approaching the other side. Sentence 4: In order for them to be safe, I walked from behind. Sentence 5: He ended up killing the enemies and conquering the land. Choices: a. Battlefield. b. Borrowed Movie.
Example Output:
a