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: The sandbox at school was very popular. Sentence2: Many kids like to build castles and play with cars in the dirt. Sentence3: One day a boy was digging and found a very old pair of glasses. Sentence4: He took it to the office, and they put it in the lost and found.
A week later an old man came and claimed the glasses.