A man is on a trip with a fox, goose, and a sack of corn. He comes upon a stream, which he has to cross, and finds a tiny boat which he can use. The problem though, is that he can only take himself and either the fox, goose, or the corn across at a time. It is not possible for him to leave the fox alone with the goose, or the goose alone with the corn. How can he get all safely over the stream? this’ll be 7