There are four rules for dealing with sales: [If] he sold him superior wheat and it was found to be inferior, the buyer can retract. [If he sold him] inferior [wheat] and it was found to be superior, the seller can retract. [If he sold him] inferior [wheat] and it was found to be inferior, [or] superior [wheat] and it was found to be superior, neither can retract. [If he sold him] red [wheat] and it was found to be white, [or] white [wheat] and it was found to be red; [or he sold him] olive wood and it was found to be sycamore, [or] sycamore and it was found to be olive; [or he sold him] wine and it was found to be vinegar, [or] vinegar and it was found to be wine —- both of them can retract.