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: Liz was sad because her dog died. Sentence 2: She missed her dog every day. Sentence 3: Liz's coworkers wanted to cheer Liz up. Sentence 4: They gave her a card with a picture of her dog on it. Sentence 5: Liz laughed because the picture was not of her dog. Choices: a. Liz Laughed. b. Bread Store.
Example Output: a

Example Input: Sentence 1: Ann wanted to redo her bedroom. Sentence 2: She bought a new duvet first. Sentence 3: It was a great turquoise color. Sentence 4: Ann couldn't find anything that matched it. Sentence 5: She regretted buying that duvet. Choices: a. The Duvet. b. Pizza and Dancing.
Example Output: a

Example Input: Sentence 1: Randy told his mom that he wanted to buy lunch at school. Sentence 2: So she no longer made food for him to bring to school. Sentence 3: But Randy found himself gaining weight. Sentence 4: And he was sick more often. Sentence 5: When Randy's mom found out what they served, she was shocked. Choices: a. A Father's Broken Heart. b. School Food Shock.
Example Output:
b