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: Thomas asked Gina to pose for a painting. Sentence 2: She posed in his studio wearing 1930s fashions. Sentence 3: She had to pose for him for several days. Sentence 4: When the painting was done, Thomas loved it. Sentence 5: He told Gina that it was the best he'd ever done. Choices: a. Best Friends. b. The Painting.

b