A woman is soldering an electronic device.
The woman is a professional welder.
professional is well trained person
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_solder(e1) & n_device(x2) & a_electronic(s1) & Theme(s1,x2) & n_woman(x1))
exists p1 x1.(n_woman(x1) & exists s1 x2.((x1 = x2) & n_welder(x2) & a_professional(s1) & Theme(s1,x2)))