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: Dave used to buy large packs of bottled water. Sentence 2: But he found a store near his house that refilled water. Sentence 3: He bought large water jugs and got refills for 25 cents a gallon. Sentence 4: And he saved lots of money on water. Sentence 5: Dave never went back to buying bottled water again.

Water Jugs