children in colorful outfits on a stage
The children are ice skating.
Ice skating takes place on a rink, not on a stage.
exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x2) & on(x2,x3) & n_stage(x3) & n_outfit(x2) & a_colorful(s1) & Theme(s1,x2) & n_child(x1))
exists p1 x1.(n_child(x1) & exists x2 x3.((x1 = x2) & n_skate(x2) & of(x2,x3) & n_ice(x3)))