Answer:
Most likely, Gwyn can rescind the contract on the basis of misrepresentation.
Explanation:
A contract is an agreement between two parties to engage in a business transaction. It happens to be a legal binding document when executed with signatures and probably witnesses.
But, in a situation where there is a misrepresentation of facts in the agreement document, it is a strong valid ground to render the document null and void. For Gwyn, she can rescind the contract on the basis of misrepresentation by Fess.