A man is jumping on a sheet of ice near a lake with a video camera in his hand.
A man is ice fishing.
Jumping is a vigorous activity, while fishing is not.
exists e1 s1 x1 x2 x3 x4 x5 x6.(on(e1,x2) & in(x2,x6) & n_hand(x6) & of(x6,x1) & n_male(x1) & with(x2,x5) & n_camera(x5) & a_video(s1) & Theme(s1,x5) & near(x2,x4) & n_lake(x4) & of(x2,x3) & n_ice(x3) & n_sheet(x2) & Actor(e1,x1) & v_jump(e1) & n_man(x1))
exists p1 x1.(exists x2 x3.((x1 = x2) & n_fishing(x2) & of(x2,x3) & n_ice(x3)) & n_man(x1))