An ice skating couple performs on the ice.
A couple skating.
An ice skating couple is a couple skating.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_skate(e1) & on(x3,x1) & n_ice(x1) & n_ice(x1) & n_perform(x3) & of(x3,x4) & n_couple(x4) & (x1 = x2))
exists x1 x2.(a_topic(x1) & n_skating(x1) & of(x1,x2) & n_couple(x2))