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: Brian was asked to watch his friends dog. Sentence2: They left a notebook to keep a log. Sentence3: He would update it with the times he went there. Sentence4: Right before he came back he left a message regarding their time.

He was happy that his friends considered him trustworthy.