A woman in a blue and red uniform is rollerskating.
A woman is sitting down putting on rollerskates.
If you are sitting down you can't be rollerskating which requires one to be standing.
exists e1 s1 s2 x1 x2.(Actor(e1,x1) & v_rollerskate(e1) & in(x1,x2) & n_uniform(x2) & a_red(s2) & Theme(s2,x2) & a_blue(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 e2 s1 x1 x2 x3.(for(e1,e2) & a_down(s1) & Manner(e2,s1) & Actor(e2,x1) & v_sit(e2) & on(e1,x3) & n_rollerskate(x3) & Theme(e1,x2) & Actor(e1,x1) & v_put(e1) & n_thing(x2) & n_woman(x1))