Definition: 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'.
Input: Sentence 1: Aimee sensed her boyfriend, Jason, had commitment issues. Sentence 2: For two years he didn't refer to her as his girlfriend. Sentence 3: When he graduated from college, her introduced Aimee as his friend. Sentence 4: Aimee went to the bathroom and broke down crying. Sentence 5: Her friend told her Jason she's crying because you call her friend! Choices: a. Commitment Issues. b. Thinking About The Past.

a