Ben lives in Johannesburg, but also owns a farm outside Port Elizabeth. Sam lives in Pretoria. Ben sells his farm to Sam for R2 million (two million rand). Sam pays the purchase price, but Ben fails to sign the transfer documents. Indicate the most accurate statement:

a. Sam may institute action against Ben in the Johannesburg High Court, asking the court to determine the title to the property.
b. If a tractor, instead of a farm had been sold, both the Johannesburg High Court and the Port Elizabeth High Court may be able to hear an action for the determination of ownership.
c. If a tractor, instead of a farm had been sold, the Johannesburg High Court and the Pretoria High Court will be able to hear an action for the determination of ownership.
d. Sam may institute action in the High Court of Pretoria for an order for the transfer of the farm.