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 stopped for coffee on his way to work, as usual. Sentence2: He drank it all down as quick as always. Sentence3: But on this day he was still very sleepy. Sentence4: The coffee hadn't helped him at all!

Poor Joe didn't know the barista had given him decaf coffee!