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: Tom wanted to remember his dreams better. Sentence 2: His friend suggested he write them down after waking. Sentence 3: Tom bought a pen and paper to leave by his bedside. Sentence 4: Tom began writing notes about his dreams upon awakening. Sentence 5: Tom was pleased he was able to remember his dreams better. Choices: a. Dream. b. The cat doesn't like going out.

a