Given the task definition and input, reply with output. 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'.

Sentence 1: Terry found some seeds on his way home. Sentence 2: He planted them in his backyard. Sentence 3: He watered them everyday for a month. Sentence 4: He got sad because he only saw leaves. Sentence 5: He pulled a leaf and out came a carrot! Choices: a. Carrots. b. The doll.
a