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: Charles spent three years in college after high school. Sentence 2: Because he flunked out, it was time to go home. Sentence 3: He worked in a store for two years. Sentence 4: Then his mother kicked him out and called him poor. Sentence 5: He went to Las Vegas and won enough money for the apartment next door. Choices: a. The College Dropout. b. Do anything to impress you, babe.

Ex Output:
a

Ex Input:
Sentence 1: Tom was walking home from work. Sentence 2: There was a protest going on at the same time. Sentence 3: They were marching in the same direction. Sentence 4: Tom was swept up as part of it. Sentence 5: It took him minutes of struggling to get back out. Choices: a. Worn Out Shoes. b. The Protest.

Ex Output:
b

Ex Input:
Sentence 1: Joe lost to his friend at ping pong. Sentence 2: Joe was devastated that he lost. Sentence 3: So he practiced at ping pong and got better. Sentence 4: Him and his friend played a month later. Sentence 5: Joe defeated his friend and was glad to win. Choices: a. Ping Pong. b. night of.

Ex Output:
a