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: Henry had always been very forgetful. Sentence 2: He forgot his house keys when he went to work this morning. Sentence 3: When he got home he realized he didn't have the key. Sentence 4: Luckily he had the foresight to purchase a hide-a-key. Sentence 5: Henry picked up the fake rock and grabbed his house key. Choices: a. The Fake Rock. b. Pool and ice cream.

a