What kind of defective contracts are the following? Why?

1. Contract of sale of "shabu".

2. Contract to manipulate the result of the election through hacking.

3. Contract of sale between husband and wife.

4. A simulated real estate mortgage.

5. A contract whereby X agreed to be the mistress of Y for P30,000.00 monthly allowance.

6. A contract whereby the debtor agreed to work for the creditor for free as long as the debtor has not paid his debt.

7. A lease contract where it is stipulated that the lessor can forcibly evict the lessee for non-payment of rent.

8. A contract of sale of the seller's future inheritance from his parents.

9. A contract whose cause or object did not exist at the time of the transaction.

10. A contract of sale of a slightly used human brain.

Choices:

A. Rescissible

B. Voidable

C. Unenforceable

D. Void or Inexistent