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: The woman opened the door. Sentence 2: She wasn't wearing a top. Sentence 3: She was expecting her sister. Sentence 4: It was a stranger. Sentence 5: The woman slammed the door in surprise.

topless