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: Jim wanted to become fit. Sentence 2: Jim thought about running around his neighborhood. Sentence 3: He did it but felt it was missing something. Sentence 4: He decided he needed headphones for running. Sentence 5: He bought running headphones and then enjoyed his run very much. Choices: a. Headphones. b. Laundry.
Example Output: a

Example Input: Sentence 1: Amanda decided to take a scientific survey. Sentence 2: At the beginning there was a warning about disturbing content. Sentence 3: However, Amanda did not see any disturbing content in the survey. Sentence 4: She felt confused about this. Sentence 5: She submitted the survey anyway, though. Choices: a. First date. b. Survey.
Example Output: b

Example Input: Sentence 1: Rachel was dyeing her hair a bright red color. Sentence 2: She had finished washing her hair and was ready to see the results. Sentence 3: When she looked in the mirror she saw a terrible blue color. Sentence 4: She had messed up on some step along the way. Sentence 5: She had a week to wait before she could fix the color. Choices: a. A Bad Hairdo. b. Seeds in Teeth.
Example Output:
a