A woman examines a specimen using a microscope.
A scientist is studying blood samples
examining a specimen using a microscope does not mean the woman is a scientist or that she is studying blood samples
exists e1 e2 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 e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_study(e1) & n_sample(x2) & of(x2,x3) & n_blood(x3) & n_scientist(x1))