Detailed Instructions: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Problem:THEM: i'd like the hats ; you can have everything else.  YOU: can i trade a hat for a ball?  THEM: unfortunately nothing else is of value to me... any chance you can just allow me to take the hats?  YOU: i will do that.  THEM: appreciate it! deal!
Solution:
Yes