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'.

Sentence 1: Allie had a mother that was sick. Sentence 2: She had cancer. Sentence 3: But Allie had hoped she would be able to beat it. Sentence 4: Unfortunately her mother did not make it. Sentence 5: Allie started to cry and could not believe it. Choices: a. First day. b. Sick mother.
b