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 was going out at night. Sentence 2: He wasn't sure how cold it would be. Sentence 3: He decided to wear a light coat. Sentence 4: Once out Tom realized it was too cold for that. Sentence 5: Tom eventually went home early. Choices: a. Cold Night. b. Tea.

a