Given the task definition and input, reply with output. 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'.

Sentence 1: Samson got lost at the ballpark this weekend. Sentence 2: His father told him to wait for him when he went to the bathroom. Sentence 3: Unfortunately, Samson got distracted by the mascots and wandered off. Sentence 4: Then, he realized he didn't know where he was! Sentence 5: Luckily, a security guard reunited him with his father. Choices: a. Going to Church. b. Samson at the Ballpark.
b