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'.

Ex Input:
Sentence 1: The Smiths decided to go to their summer home for vacation. Sentence 2: They drove across three states to reach their summer home. Sentence 3: They hiked, fished, swam, barbecued, and shopped while there. Sentence 4: They spent a whole week at their summer home. Sentence 5: They could not stop talking about their vacation for a week. Choices: a. Summer Home. b. Very bad burn.

Ex Output:
a

Ex Input:
Sentence 1: Tom bought a new cell phone. Sentence 2: He sold his old one online. Sentence 3: Unfortunately he forgot to delete his information. Sentence 4: Someone found his pictures and posted them online. Sentence 5: Tom was thoroughly embarrassed about the private ones. Choices: a. Making Friends. b. New Cell Phone.

Ex Output:
b

Ex Input:
Sentence 1: Jan and Julie were sisters. Sentence 2: The sisters were complete opposites. Sentence 3: Jan loved art and Julie loved numbers. Sentence 4: One day, the sisters decided to open a clothing store. Sentence 5: The sisters combined their talents to create a successful business. Choices: a. Sisters. b. The poisonous bush.

Ex Output:
a