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: Joe was an amateur prospector. Sentence2: He went out in the hills to look for gold. Sentence3: Instead of gold, he found many small blue and green stones. Sentence4: He gathered them all up to be appraised in town.

Joe hoped they were valuable.