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: The friends decided to go camping. Sentence 2: The packed up the tent and their gear. Sentence 3: They drove to the country and set up the tent. Sentence 4: They roasted marshmallows and had a fun time. Sentence 5: They decided to make it a monthly trip! Choices: a. The Camping Trip. b. Snowman and Castle.

a