Steven, who is Wesley's guardian, convinces Wesley to buy a certain parcel of land owned by Steven's brother-in-law at a price greatly inflated from the market value of the property. Steven convinces Wesley that he is getting a great deal. If Wesley sued to rescind the contract, his best argument for lack of mutual assent would be:
Undue influence refers to those special relationships in which one person has taken advantage of his or her dominant position in a relationship to unduly persuade the other person.