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: I arrived at the airport security and was sure that I packed well. Sentence 2: I began to think about the items that I bought. Sentence 3: I knew I had nothing that would cause me to have my bag searched. Sentence 4: However, I was asked to move aside and my bag needed to be searched. Sentence 5: The spiritual candle I purchased caused and alert in the system. Choices: a. Candle alert.. b. Creative spark..

a