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: In 2007 our condo had mice. Sentence 2: We used traps and bait. Sentence 3: We killed some mice but more came. Sentence 4: Our property manager sealed every crack with foam. Sentence 5: That kept the mice out for four years.

Insulation