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: Lily found a little puffin by the sea. Sentence 2: Its wing was broken and Lily mended it. Sentence 3: She kept the puffin in her house to check up on it. Sentence 4: She fed it every day for two weeks. Sentence 5: When it was healed, she let it go so it could rejoined its flock. Choices: a. Healing puffins. b. The Stroller.

a