A Solid Ball and a Hollow Ball Are Released from Rest

A solid ball and a hollow ball are released from rest at the top of an incline and roll without slipping to the bottom. Which reaches the bottom first?

A) The solid ball.
B) The hollow ball.
C) Both will arrive at the same time.
D) The result depends on the balls' relative masses.
E) The result depends on the balls' relative radii.
$F$ . The result depends on the ball's relative masses and their relative radii.