Blake is seeking to buy a mare that he can breed. Levi tells Blake about a horse that Levi wants to sell, stating that he (Levi) believes that the horse is extremely healthy and will be able to foal within eighteen months. After two years, the horse still has not foaled. The veterinarian informs Blake that the horse is physically incapable of breeding. In Blake's lawsuit to rescind the contract, it is:.a. likely that a court will allow the rescission based on a uni-lateral mistake. b. likely that a court will allow the rescission based on a mistake of fact. c. unlikely that a court will allow rescission based on a mistake of fact. d. unlikely that a court will allow rescission, because Blake made a mistake about market value only.