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: Mike was digging up his yard to plant a garden. Sentence2: His shovel went into the earth then suddenly stopped. Sentence3: He dug around the obstruction to see it. Sentence4: It was a human skull.

He tossed the skull far away and kept digging.