The first riddle is rather... indecisive. Mandingo is the closet one though.
The goose can swim. The farmer puts the fox and the grain in the boat and swims over with the goose in the water with him. (I think the riddle is more of a time sensitive question)
So far Riddle Six is the only one unanswered. What... no one wants to try and give it a shot?? I'll give you a hint. He has to say something true,