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: Holly stayed up watching movies. Sentence 2: She was tired at school. Sentence 3: Holly fell asleep in class. Sentence 4: Her teacher saw Holly napping. Sentence 5: Holly got written up for detention. Choices: a. Sally's Client. b. Holly Takes a Nap.

Ex Output:
b

Ex Input:
Sentence 1: John went to his mailbox to check for mail. Sentence 2: Inside, he found the usual junk mail. Sentence 3: He also found a letter from the friend he had not seen in many years. Sentence 4: The letter explained what his friend had been up to over the years. Sentence 5: That same day, John wrote a letter in reply. Choices: a. Nice Clock. b. Letter to a Friend.

Ex Output:
b

Ex Input:
Sentence 1: Eunice usually goes home early after school. Sentence 2: But one afternoon it was already late and Eunice was not yet at home. Sentence 3: Her parents was nervous thinking eunice might be in trouble. Sentence 4: They tried to call her and luckily Eunice answered. Sentence 5: Eunice took hours waiting for a bus because of heavy rain. Choices: a. heavy rain. b. Stubborn Illness.

Ex Output:
a