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'.

Example Input: Sentence 1: Amanda had just started kindergarten. Sentence 2: Her mother usually packed a lunch for her. Sentence 3: One day mom had no time to pack a lunch. Sentence 4: She send money with Amanda to buy lunch. Sentence 5: Amanda loved the school lunch. Choices: a. School Lunch. b. The Shoes.
Example Output: a

Example Input: Sentence 1: Chantel was hanging out with her boyfriend having a nice day. Sentence 2: She noticed her boyfriend acting weird and he asked to talk. Sentence 3: She listened, devastated when he admitted he wanted to break up. Sentence 4: She tried to argue but soon realized it was futile. Sentence 5: She left his house and went home to mend her broken heart. Choices: a. Dumped. b. The Cell Phone.
Example Output: a

Example Input: Sentence 1: Tim learned martial arts as a kid. Sentence 2: Tim's favorite move was striking with an elbow. Sentence 3: Tim was attacked one night. Sentence 4: Tim used his elbow striking to ward off the attackers. Sentence 5: Tim was very happy his skills were utilized wisely. Choices: a. Rude Driver. b. Elbow.
Example Output:
b