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: Anna lived in the North where winters were long and cold. Sentence 2: When summer came, everyone around her complained. Sentence 3: Temperatures rose into the 90s and stayed there. Sentence 4: But Anna kept her cool - she remembered how short summer was. Sentence 5: She knew to appreciate the warmth while it lasted! Choices: a. Lost Receipt. b. Remember.

b