You will be given a definition of a task first, then some input of the task.
Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.

THEM: hi. i'd like four hats and the book, leaving you with two balls. what do you say? YOU: that could not be fare... THEM: what are you offering? YOU: i need one book and the hats THEM: i definitely can't give up the hats. how about you take the book and the balls, and i get the hats. YOU: that sounds good THEM: ok great. i get all the hats, you get the book and both balls. deal? YOU: no no, wait THEM: what? YOU: that's very raw deal THEM: ok, well then we're not going to make a deal, because i am not giving up any hats. YOU: no deal then.
Output:
No