In Which One of the Following Situations Will a Court

In which one of the following situations will a court find that a partnership exists?

A) Joe and Mary, while in college, purchase a house and share the profits from the rent after deducting expenses.
B) Joe is a partner in a shoe store and sells his share of the business to Harry without the consent of his partner.
C) Joe and Mary promote several dances at school and split the profits.
D) Joe, a partner in a law firm, dies and Joe's widow takes over Joe's share of the profits.
E) Joe sells his business to Harry for $10,000 for the assets and a further $20,000 for good will, the good will portion to be paid at a rate of 20% of the profits from the business until paid.