A woman with a black belt is doing some form of martial arts.
A woman does martial arts.
A woman does martial arts because a woman is with a black belt which is some form of martial arts.
exists e1 s1 s2 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_do(e1) & of(x3,x4) & n_art(x4) & a_martial(s2) & Theme(s2,x4) & n_form(x3) & with(x1,x2) & n_belt(x2) & a_black(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_art(x2) & a_martial(s1) & Theme(s1,x2) & n_woman(x1))