You will be given a definition of a task first, then some input of the task.
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: Nola was 15 and pregnant, and determined to keep her baby. Sentence 2: But then the doctor told her she'd be having twins! Sentence 3: Nola was terrified, but steadfast - she had her mind set. Sentence 4: She did her best to raise both twins as well as she could. Sentence 5: And as each day passed, Nola grew more and more grateful for them! Choices: a. Twins. b. Designer.
Output:
a