A woman examines a specimen using a microscope.
A specimen is being examined using a microscope
examines a specimen is a  rephrase of specimen is being examined.
exists e2 e1 x1 x2 x3.(for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_use(e2) & n_microscope(x3) & Theme(e1,x2) & Actor(e1,x1) & v_examine(e1) & n_specimen(x2) & n_woman(x1))
exists e2 e1 x1 x2.(for(e1,e2) & Theme(e2,x2) & Actor(e2,x1) & v_use(e2) & n_microscope(x2) & Theme(e1,x1) & v_examine(e1) & n_specimen(x1))