A woman examining samples under a microscope.
The man cuts apart worms in his lab.
A person cannot be a man and a woman at the same time
exists e1 x1 x2 x3 x4.(a_topic(x1) & under(e1,x4) & n_microscope(x4) & Theme(e1,x3) & Actor(e1,x2) & v_examine(e1) & n_sample(x3) & (x1 = x2) & n_woman(x1))
exists e1 s1 x1 x2 x3.(n_lab(x3) & of(x3,x1) & n_male(x1) & n_man(x1) & in(e1,x3) & a_apart(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_cut(e1) & n_worm(x2))