Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.

Q: THEM: i'd like hat and books. YOU: hats are worth three for me so no. THEM: then i'll take books. you can have the rest.

A: Yes
****
Q: THEM: id like hats. you can have the rest. YOU: ok that sounds like a good deal.

A: Yes
****
Q: THEM: hi, can i have the book and 2 hats? YOU: balls and one hat for me THEM: ok deal.

A:
Yes
****