D owes C P100,000. Since D fails to pay, C expressed its willingness to accept the car of D, with the same value, more or less, in payment of his debt. D, in bad faith, sold the car to X. Has C the right to ask for the rescission of the sale? ANSWER: F, guardian of M (minor), sold to B a property of M with a market value of P50,000 for only P37,000, or a difference of more than (P12,500) of the value. If the rescission of the sale is demanded, what possible defense under the law can B present to avoid rescission