Given the task definition and input, reply with output. 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.

Sentence1: Edward was sick and was prescribed antibiotics. Sentence2: He felt better and stopped taking them. Sentence3: A while after he got sick with the same thing again. Sentence4: This time it was even worse than before.
He made sure to take all his antibiotics this time.