A woman fixing a bicycle.
My wife is changing a flat tire on her bicycle.
Not every woman is a wife nor does every bicycle fix involve a flat tire.
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_fix(e1) & n_bicycle(x3) & (x1 = x2) & n_woman(x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x1) & Actor(e1,x2) & v_change(e1) & on(x1,x3) & n_bicycle(x3) & of(x3,x1) & n_female(x1) & n_tire(x1) & a_flat(s1) & Theme(s1,x1) & n_wife(x2) & of(x2,x1) & n_person(x1))