Who has the legal right to refuse treatment? 1. Lillian, who…

Who has the legal right to refuse treatment? 1. Lillian, who is 96 years old and of sound mind 2.  Madeline, who is 35, incompetent, and did not express her treatment prior to becoming incompetent 3.  Amanda, who is 21, incompetent, and created a living will prior to becoming incompetent stating that she did not wish to be kept alive by artifical means 4.  Liam, who is 11 years old and of sound mind