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: The Johnsons were a musical family. Sentence 2: There were 14 children and their 2 parents in the family. Sentence 3: Everyone was very talented but one stood out. Sentence 4: She was the baby of the family but had the voice of an angel. Sentence 5: Many years later she is an international superstar. Choices: a. The Proposal. b. The Best.
Example Output: b

Example Input: Sentence 1: Nancy was sweating from the summer heat. Sentence 2: She sat down at her desk and kicked off her shoes. Sentence 3: A sudden strong breeze came roaring through her window. Sentence 4: Nancy sighed with relief and wiggled her toes gleefully. Sentence 5: She decided it wasn't such a terribly hot day after all. Choices: a. Whiskers. b. Sunshine.
Example Output: b

Example Input: Sentence 1: Hank organized a pool party for his neighborhood. Sentence 2: He invited everyone on the block. Sentence 3: One of his invitations got lost by the mail. Sentence 4: That neighbor assumed that Hank did not invite her. Sentence 5: She held a grudge against him from then on. Choices: a. Pool Party. b. Poison Ivy.
Example Output:
a