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: Ana decided to become roommates with her best friend Patty. Sentence 2: The two got along well enough for a few months. Sentence 3: As the time passed the two started feeling hateful toward one another. Sentence 4: Ana and Patty had a huge fight over household chores one night. Sentence 5: The two decided to part ways and never spoke again. Choices: a. On top of the mountain. b. Bad Roommates.

b