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: Charlie's work was having a Christmas party. Sentence 2: Everyone was to bring a small gift for a Christmas game. Sentence 3: The instructions were that there was a ten dollar limit. Sentence 4: However, Charlie's co-worker Doug brought a fifty dollar gift card. Sentence 5: Doug's expensive gift ruined the Christmas game. Choices: a. Gift. b. Local Ad.

Ex Output:
a

Ex Input:
Sentence 1: Howard was getting bullied. Sentence 2: He did not know what to do. Sentence 3: His friend ended up standing up to the bully. Sentence 4: His friend beat the bully up. Sentence 5: The bully did not bother howard anymore. Choices: a. Bullies. b. Sister.

Ex Output:
a

Ex Input:
Sentence 1: My brother in-law had a heart attack in 2006. Sentence 2: He was overweight and a smoker. Sentence 3: He resolved to stop smoking and go on a diet. Sentence 4: He did well for a year, then went back to his old ways. Sentence 5: He died of a heart attack in 2012. Choices: a. Heart Issues. b. Reconsideration.

Ex Output:
a