Definition: Given a negotiation between two participants, answer 'Yes' if both participants agree to the deal, otherwise answer 'No'.
Input: THEM: i take the book and you can have the rest YOU: i need the book. i will give you two balls THEM: no i need the book YOU: as do i. what else will you settle for? THEM: i need the book but you can have the hats and balls YOU: that doesn't work for me. sorry THEM: what else can we do? YOU: i can give you al lthe hats THEM: no that won't work. i need the book YOU: i don't think we can make a deal then THEM: i don't think so either.
Output:
No