Man kayaking in a raging river.
A man is driving in his car.
One cannot be kayaking while driving a car.
exists e1 x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_river(x3) & Actor(e1,x3) & v_rage(e1) & n_kayaking(x1) & of(x1,x2) & n_man(x2))
exists e1 x1 x2.(in(e1,x2) & n_car(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_drive(e1) & n_man(x1))