Answer: Binding both parties in legal manner
Explanation: The contract is the set of legal agreement which states about the duties of the parties involved in the contract .Payne and Steven are involved in the agreement because he wants to sell some portion of land and Steven is buying that land piece respectively.
Even though Payne is intoxication at the time of agreement execution and Steven is not believing in this act of Payne ,the agreement is still binding both the people into an agreement as they are involved in the act of selling and buying the land legally.