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 wanted to run a computer program. Sentence2: But, my computer didn't have enough RAM. Sentence3: So, I decided to upgrade my RAM. Sentence4: Alas, my computer didn't allow RAM upgrades.

I decided to buy a new computer.