A snowboarder vaulting over a rock ridge.
roller skater dances daintily
It can be either a snowboarder or a roller skater.
exists e1 x1 x2 x3 x4.(a_topic(x1) & over(e1,x3) & n_ridge(x3) & of(x3,x4) & n_rock(x4) & Actor(e1,x2) & v_vault(e1) & (x1 = x2) & n_snowboarder(x1))
exists e1 s1 x1 x2.(a_daintily(s1) & Manner(e1,s1) & Actor(e1,x1) & v_dance(e1) & n_skater(x1) & of(x1,x2) & n_roller(x2))