Woman in lab coat working.
A man wears a lab coat
It can either be a woman or a man.
exists e1 s1 x1 x2 x3.(ne_nam_woman(s1) & a_topic(s1) & in(s1,x1) & Actor(e1,x3) & v_work(e1) & (x1 = x3) & n_coat(x1) & of(x1,x2) & n_lab(x2))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_coat(x2) & of(x2,x3) & n_lab(x3) & n_man(x1))