If You Had to Advise an Unmarried Couple How Best

If you had to advise an unmarried couple how best to protect their claims to their shared home, which of the following actions would you suggest they take?

A) Make sure they have both contributed to the purchase price of the property
B) Make a written declaration of trust
C) Make sure that both of their names appear on the legal title to the home
D) Rely on mutual assurances that each will be entitled to the property if the relationship breaks down between them.