our next story about the most wrerning decision a parent could ever face. imagine your child was sick and the doctors could not cure her. now imagine she told you she wanted to go to heaven. would you honor her wish? what if she was just 5 years old. here s the story senior medical correspondent elizabeth cohen has. reporter: what princess are you today? cinderella. julianna snow has a neuromuscular disease that is slowly taking her life. she can t walk or breathe on her own or even use her hands to play with glitter. there s no such thing as too much, okay. reporter: the next time juliana gets a cold or any infection her body will be too weak to fight it off. what do the doctors tell you is likely to happen if she were to get another cold? she will most likely die if she gets another cold. reporter: juliana s doctors presented her parents steve snow and michelle moon with two