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: It was a very hot day. Sentence 2: Anne decided to take her kids to the pool. Sentence 3: They jumped right into the cold water. Sentence 4: It was the best way to beat the heat. Sentence 5: They swam for five hours! Choices: a. The Pool. b. Credit Card.

a