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: Zane had always liked animals. Sentence 2: He went to school for zoology. Sentence 3: He saved up and learned all about running a zoo. Sentence 4: One day he saw an add about a family of orphaned zebras. Sentence 5: He decided to begin his zoo starting with the poor family of zebras. Choices: a. Materialist. b. Zane's Zebra Zoo.

b