A team of girls competing on rollerskates.
A group of women on ice skates.
Rollerskates are not ice skates.
exists e1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & on(e1,x4) & n_rollerskate(x4) & Actor(e1,x3) & v_compete(e1) & (x2 = x3) & n_girl(x2) & n_team(x1))
exists x1 x2 x3 x4.(a_topic(x1) & on(x1,x3) & n_skate(x3) & of(x3,x4) & n_ice(x4) & of(x1,x2) & n_woman(x2) & n_group(x1))