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: Tom had a light jacket he really liked. Sentence 2: He decided to wear it out one night. Sentence 3: Unfortunately it was really cold out. Sentence 4: Tom wasn't able to stay very warm. Sentence 5: He had to go home early. Choices: a. Light Jacket. b. Alligator.

a