A person is guilty of Rape if that person engages in sexual intercourse with another by:  1) Forcible compulsion;  2) By threat of forcible compulsion;  3) With a person who is unconscious or where the person knows that the other is unaware that sexual intercourse is occurring;  4) Where the person has drugged the other person without that person’s knowledge;  5) Where the victim suffers from a mental disability which prevents that person from consenting.