Find a mathematical relationship between the angular momentum of the wheel and the angular momentum of the person after turning the axis of the wheel.

A) The angular momentum of the wheel is equal to the angular momentum of the person.
B) The angular momentum of the wheel is greater than the angular momentum of the person.
C) The angular momentum of the wheel is less than the angular momentum of the person.
D) The angular momentum of the wheel is conserved, and the angular momentum of the person changes in the opposite direction.