An ice skating couple performs in an arena.
Two people skate on ice indoors.
A couple consists of two people.  An arena can be indoors.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & in(e1,x5) & n_arena(x5) & Theme(e1,x3) & Actor(e1,x2) & v_skate(e1) & n_perform(x3) & of(x3,x4) & n_couple(x4) & (x1 = x2) & n_ice(x1))
exists e1 x1 x2 x3.(on(e1,x2) & n_indoor(x2) & of(x2,x3) & n_ice(x3) & Actor(e1,x1) & v_skate(e1) & n_people(x1) & card_eq_2(x1))