To Which One of the Following Contracts Would the Sale

To which one of the following contracts would the Sale of Goods Act apply?

A) A contract for a table where title to the table will not pass to the buyer until some future date
B) A contract for the assignment of a company's accounts receivable
C) A contract by which two computer programs were swapped for two others
D) A contract with a dentist to have a tooth filled
E) A contract for the purchase of a farm