Definition: In this task, you're given a four sentences of story written in natural language. Your job is to complete end part of the story by predicting appropriate last sentence which is coherent with the given sentences.
Input: Sentence1: Luke's grass in his yard was growing fast. Sentence2: He really needed to cut it but he didn't have a mower. Sentence3: Luke priced new mowers but they were too expensive. Sentence4: He decided to buy a used one at a pawn shop.

Now Luke's yard is always well maintenanced.