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: Julie was shopping in her local grocery store. Sentence 2: She was waiting in line at the checkout stand. Sentence 3: When she was going to put her items on the belt a man groped her. Sentence 4: She let out a whelp and slapped the man behind her. Sentence 5: She complained to security and had the man arrested. Choices: a. Personal Space. b. Out of Bread.

Ex Output:
a

Ex Input:
Sentence 1: Tim's electricity kept having trouble. Sentence 2: At one point it took out the refrigerator. Sentence 3: Tim had to do something about the food. Sentence 4: He tried to eat as much as possible. Sentence 5: The rest he gave out to friends. Choices: a. Broken Refrigerator. b. The birthday gift.

Ex Output:
a

Ex Input:
Sentence 1: Kate was at a gas station on the highway. Sentence 2: She went in to get Advil. Sentence 3: But they also had earbuds which she needed terribly. Sentence 4: They were both low quality, and expensive. Sentence 5: But they were better than nothing so she bought them anyway. Choices: a. Brewery Business. b. Advil and Headphones.

Ex Output:
b