A young couple adopt a German baby.

A young couple adopt a German baby. He was perfectly normal except for the fact he never spoke, not even a word. One day aged five while the family were having dessert he suddenly says, "This strudel is tepid." His parents are completely amazed. "Hans you can talk! Why haven't you spoken before now?" The boy turned to the parents and slowly replies, "Until now, everything has been satisfactory."