Two female speed skaters ice skating.
The women are pair skating.
Not all women are pair skating
exists s1 s2 x1 x2 x3 x4.(n_skating(x1) & of(x1,x4) & n_ice(x4) & of(x1,x3) & n_skater(x3) & a_.(s2) & Theme(s2,x1) & of(x1,x2) & n_speed(x2) & a_female(s1) & Theme(s1,x1) & card_eq_2(x1) & a_topic(x1))
exists e1 p1 x1.(n_woman(x1) & for(p1,e1) & Actor(e1,x1) & v_skate(e1) & exists x2.((x1 = x2) & n_pair(x2)))