Definition: In this task, you're given five sentences, numbered 1 through 5. Your job is to generate a title for the story that makes complete sense. The title must be short, with less than three words, use simple language, and include the main topic of the story.
Input: Sentence 1: Ken was going on a flight to his parents home. Sentence 2: He had to pass through airport security. Sentence 3: Ken had forgotten that he had his pocket knife on him. Sentence 4: Ken's pocket knife was confiscated. Sentence 5: After a search, Ken was allowed to board the plane.

Plane Trip