THEM: hello. i'd like a book, a hat and one ball.  YOU: sorry i cant do that. i would like the hat and book and you can have the balls  THEM: i definitely can't give up the book. i would be willing to give you the hat and one ball, but i would need the other two balls.  YOU: sorry, it looks like we wont be able to make a deal. i need the hat and book to make it worthwhile for me  THEM: i need the book to make it worthwile for me...  YOU: i understand. looks like no deal can be made  THEM: yes, sorry. no deal.  YOU: agreed. now just waiting for the button.  THEM: we have to say no deal to each other until it pops up  YOU: yep. no deal.