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 out at a party by a river. Sentence 2: They decided to have a campfire. Sentence 3: It got bigger than expected. Sentence 4: Tom struggled to put it out. Sentence 5: They decided to not try another one. Choices: a. Round 2. b. Dangerous Campfire.

b