In which of the following situations will the defence of voluntary assumption of risk apply? George is intoxicated and knowingly gets into a taxi with another drunken passenger. O After reading the manufacturer's waiver, Ed used a very sharp surgeon's scalpel to cut some paper. The scalpel slipped cutting Ed's hands causing serious injury. Ed sued the manufacturer of the scalpel. O Bob did not read the instructions for assembling his gas barbecue. The barbecue later blew up causing Bob serious injuries. O Jerry visits Julie's home and realizes the front steps are missing but jumps up to the door and walks into Julie's home. O Mary entered the three-legged race but did not read the waiver of liability form she signed. The form had an unusually onerous clause absolving the event organizer of all liability