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: Gary bought some grid paper for work. Sentence 2: He had to make charts of the financial transactions of his company. Sentence 3: He spent two hours coming up with many charts. Sentence 4: The boss looked at his charts and was impressed. Sentence 5: He was promoted for his great work. Choices: a. Lemon. b. Gary's Grid Paper.
Example Output: b

Example Input: Sentence 1: John is playing basketball. Sentence 2: John is doing great. Sentence 3: John drives to the hoop to make a basket. Sentence 4: He trips and misses the shot. Sentence 5: John fell and lost the game. Choices: a. The Desk. b. John fails.
Example Output: b

Example Input: Sentence 1: My sister told me about a breast cancer awareness marathon. Sentence 2: I was interested so I listened to her talk about it. Sentence 3: After a short time, me and her decided on signing up together. Sentence 4: Race day came, and we took off to our vehicles and met up. Sentence 5: As we exited, we saw all the runners and couldn't wait to join in. Choices: a. The Seashell. b. The Marathon.
Example Output:
b