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.
Q: Sentence 1: Due to the recent rains, the grass in my yard grew very tall. Sentence 2: My neighbor told me to cut it as it looked unsightly. Sentence 3: I refused, so he brought out his lawnmower and cut it for me. Sentence 4: Then he sent me a bill for $20 for the mowing job he did. Sentence 5: I refused to pay the bill.
A:
Neighbor