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: Roger was hungry. Sentence 2: He checked the fridge. Sentence 3: The fridge was empty. Sentence 4: Roger went to the store. Sentence 5: He came home with lots of food. Choices: a. Hunger. b. Noah's Arches.

Ex Output:
a

Ex Input:
Sentence 1: Chuck was offered a free month of Netflix. Sentence 2: Chuck tried it out as long as it was for free. Sentence 3: He binged watched tons of television shows and movies! Sentence 4: But he was also very unproductive for the entire month. Sentence 5: Chuck decided not to sign up for Netflix. Choices: a. That's Not How This Works. b. Binge Watching.

Ex Output:
b

Ex Input:
Sentence 1: Alex woke up when the sun fell on her face. Sentence 2: She debated staying in bed or getting up early. Sentence 3: She decided to stay in bed. Sentence 4: Her alarm rang twenty minutes later. Sentence 5: She then got out of bed. Choices: a. Sunrise.. b. Helping with boxes.

Ex Output:
a