Write a story with the ending “but for the police, I would have been lynched”.

misty passage from the question

the direction of the magnetic field produced by an electric current will change when the direction of the electric current changes. for example : if a current is flowing in a straight length of wire, the magnetic field is described by a concentric circle (using right-hand rule).

i would say a because the main idea is what the author is the point the author is trying to get across.