They are both in a dangerous situation
Kidnapping a baby boy from her house!
Well airplanes weren't invented yet so that's something
it is a law because the "scientific law" called the Law of Conservation of Mass, discovered by Antoine Lavoisier in 1785. In its most compact form, it states: matter is neither created nor destroyed.
I believe the answer is D. Gandalf.
Not sure though, Either way, hope this helps!