question: ok a museum has a super rare diamond in a crystal casing tide on a rpoe tide to the ceiling .  to steal the diamondyouwould need a knife right.  butyouccant get a knife into the mesueum bedcuz there is a person with a metal detector.  one day a guy walks in , cuts the rope, and steals the diamond.  at the end there was a pudddle of water o the fllor.  HOW DID HE CUT THE ROPE??
choices.label: A B C D E
choices.text: gradation knife was made of ice arovar cigarette blackwater