A technician uses microscope to solder a circuit board.
The technician is female.
The technician could be male or female.
exists e1 p1 x1 x2.(Theme(e1,p1) & Recipient(e1,x2) & Actor(e1,x1) & v_use(e1) & exists e2 x3 x4.(Theme(e2,x3) & Actor(e2,x1) & v_solder(e2) & n_board(x3) & of(x3,x4) & n_circuit(x4)) & n_microscope(x2) & n_technician(x1))
exists s1 x1.(n_technician(x1) & Theme(s1,x1) & a_female(s1))