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

[EX Q]: THEM: i would like the ball and 2 books YOU: ball and books for me THEM: i need the ball. you can have the rest YOU: ok deal.
[EX A]: Yes

[EX Q]: THEM: i will keep the book. you can have the rest. YOU: deal.
[EX A]: Yes

[EX Q]: THEM: if i can have the book and the hats you can have the balls YOU: i could really use the book though THEM: i need the book or i can not make a deal YOU: then i want the hats THEM: you can have the hats if i can have the rest YOU: no i need at least 1 hat and both balls THEM: you can have one hat and the balls.
[EX A]:
Yes