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: My friend Donald is very introverted. Sentence2: He lived with his mom until she died. Sentence3: He dropped out of college when he was young. Sentence4: He never told his mom.

Donald worked part time for a church until he retired.