Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
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Question: THEM: how about you get two balls,  YOU: deal  THEM: how about some begociations.

Answer: Yes


Question: THEM: you take the books and i get the hat and ball  YOU: i can not make that deal. i need the ball and two books  THEM: i can't make a deal without the ball  YOU: i can not either. no deal. i'm sorry.  THEM: no deal then  YOU: no deal.  THEM: no deal  YOU: no deal.  THEM: no deal  YOU: no deal.

Answer: No


Question: THEM: i need the book and atleast one ball  YOU: i wanted the book and the hat  THEM: i will give up everything for just the book  YOU: ok deal.

Answer:
Yes


