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: Brian went to the hardware store for masking tape. Sentence2: He walked past a display of masking tape in different colors. Sentence3: Brian was amazed by the variety of colors. Sentence4: He bought one for every color of the rainbow.

The cashier told him he made a great purchase.