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: Sid rode his bike to his friend's house. Sentence 2: Sid left his bike on the sidewalk near the street. Sentence 3: When Sid came out to go home his bike was missing! Sentence 4: Sid thought his bike had been stolen. Sentence 5: But Sid's mom had driven by and taken the bike home.

Missing Bike