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: Tina's mother was getting older. Sentence 2: She fell down twice in a week. Sentence 3: Tina was worried about her mother staying alone. Sentence 4: Tina hired a sitter to stay with her mom. Sentence 5: Tina was more comfortable about her mom staying at home. Choices: a. School Pictures. b. Home Care.

b