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

THEM: if i can have the hats and the books you can have the ball YOU: ill take the ball but could i have 1 hat as well? THEM: i can't give up a hat but, you can have a book YOU: sorry i need at least 1 hat to get a decent score THEM: you can have the hat and the ball then. i don't want you to lose out. YOU: thank you.
Yes