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: George had always loved Christmas time. Sentence 2: He had been out of work for a while when he saw an ad. Sentence 3: The job posting was for a mall Santa. Sentence 4: George applied to the job right away. Sentence 5: George loved bringing smiles to the children's faces. Choices: a. The Santa. b. Missing Frank.

a