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: Kia's husband bought her a racy nightie. Sentence 2: Kia was surprised, since they were a conservative couple. Sentence 3: But then she decided to give it a try. Sentence 4: She wore it to bed and felt very beautiful. Sentence 5: Kia decided the gift was wonderful after all! Choices: a. Balloons. b. Nightie.

b