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: I went on a road trip with my friends. Sentence2: We packed the car full of snacks. Sentence3: Then, we headed off! Sentence4: We made a lot of memories on that trip.

It was unforgettable.