A woman in red shorts is rollerskating.
A woman moves on wheels.
When rollerskating, she always moves on wheels.
exists e1 s1 x1 x2.(Actor(e1,x1) & v_rollerskate(e1) & in(x1,x2) & n_shorts(x2) & a_red(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 x1 x2.(on(e1,x2) & n_wheel(x2) & Actor(e1,x1) & v_move(e1) & n_woman(x1))