A man steers a speeding jet ski through a turn.
Man on a jet ski on a lake.
A man steers a speeding jet ski through a turn does not imply that he is on a jet ski on a lake
exists e1 s1 x1 x2 x3 x4.(through(e1,x4) & n_turn(x4) & Theme(e1,x2) & Actor(e1,x1) & v_steer(e1) & n_ski(x2) & of(x2,x3) & n_jet(x3) & a_speeding(s1) & Theme(s1,x2) & n_man(x1))
exists x1 x2 x3 x4.(a_topic(x1) & on(x1,x2) & on(x2,x4) & n_lake(x4) & n_ski(x2) & of(x2,x3) & n_jet(x3) & n_man(x1))