A man is driving a motorcycle in the dirt near bushes.
The man knows how to drive a motorcycle.
Just because a man is driving a motorcycle doesn't mean he knows how.
exists e1 x1 x2 x3 x4.(n_dirt(x3) & near(e1,x4) & n_bush(x4) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_drive(e1) & n_motorcycle(x2) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Topic(e1,x2) & Actor(e1,x1) & v_know(e1) & n_manner(x2) & exists e2 x3 x4.(Theme(e2,x4) & Actor(e2,x3) & v_drive(e2) & n_motorcycle(x4)))