6. A bought a parcel of land from B. After two years of possessing the property, C filed a case against A for annulment of the sale and reconveyance. After hearing, the case was decided adversely against A ordering him to vacate the property and to execute a deed of reconveyance to C. After the decision became final and executory, A sued B for breach of warranty against eviction. Will the case prosper? Reason.