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: Today was John's first day of school. Sentence 2: John was new to this school, and had no friends. Sentence 3: John's teacher introduced him to the class. Sentence 4: John was from Japan, and he met Tim who also was from Japan. Sentence 5: John and Tim became good friends. Choices: a. John Made a friend.. b. Restriction.

Ex Output:
a

Ex Input:
Sentence 1: Larry wanted to ask Sally on a date. Sentence 2: He was really nervous when he saw her. Sentence 3: She smiled at him. Sentence 4: He got more confident. Sentence 5: He asked her to go on a date with him. Choices: a. The Cartoon. b. The Date.

Ex Output:
b

Ex Input:
Sentence 1: Betty wrote poems all day long. Sentence 2: She would sell a few poems every month to pay her bills. Sentence 3: Betty started getting writers block and decided to start a novel. Sentence 4: She worked for weeks and submitted a draft for publication. Sentence 5: Betty got published and was finally able to take a break from writing. Choices: a. Fiction. b. Shirts.

Ex Output:
a