Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
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Question: THEM: if i can have the books and the hat you can have the balls YOU: i need the hat and a ball THEM: i can not make that deal i need the hat as well. if i can have the hat and one book you can have the balls and one book YOU: that wont work THEM: okay then, i can not make a deal. i'm sorry. YOU: thats fine THEM: no deal. YOU: are you sure THEM: yes, no deal. i'm sorry. YOU: ok, well if you change your mind.

Answer: No

Question: THEM: i'd like to have the two hats and book YOU: how about you can have the two hats and one ball, i keep the books and 1 ball... right down the middle. THEM: not much for sports, balls don't do much for me. YOU: well, they do not help me at all, so i'd prefer we meet down the middle somehow. do you propose anything different? THEM: alright, i'll take two hats and the two balls if they don't do a thing for you. YOU: and we're still going to roll with an uneven split. in that case, i'll take the books and a hat, then? THEM: yes sir.

Answer: Yes

Question: THEM: i need the book and the hat YOU: you can have the hat but that book is my favorite so i need to keep it. THEM: then i need the hat and 3 ballls YOU: how about the hat and two balls? THEM: not possible YOU: okay. i'll take the book and one ball, you can have the rest.

Answer:
Yes