Which one of the following contracts is imperfect (fasid) and NOT batil?

a. A trustee of an orphan’s property sells it at a small discount to his relatives.

b. Ahmad rents out his property to a lottery franchise.

c. John sells a painting to Ali, misrepresenting it as a da Vinci when it is actually a Picasso. The Picasso is of slightly lesser value then the da Vinci.

d. George, a gangster, forces Abdullah to sell his apartment to his boss for half the actual value under the threat of burning down his apartment.