Read the joke.
Tom and John are classmates and they often want to show their best things to each other.
Tom: My grandparents can speak German and Italian.
John: Haha, it is nothing. My grandparents can speak all the languages in Europe.
Tom: Oh, do you know I have had a cock?
John: Yes, I know it. Can it speak foreign languages?
Tom: That's easy for him. He is from Europe and he can sing every morning, in European languages!