A man in a lab coat is looking through the eyepiece of a microscope.
A woman in a lab coat is looking through the eyepiece of a microscope.
The man is not a woman.
exists e1 x1 x2 x3 x4 x5.(n_eyepiece(x4) & through(e1,x4) & of(x4,x5) & n_microscope(x5) & Actor(e1,x1) & v_look(e1) & in(x1,x2) & n_coat(x2) & of(x2,x3) & n_lab(x3) & n_man(x1))
exists e1 x1 x2 x3 x4 x5.(n_eyepiece(x4) & through(e1,x4) & of(x4,x5) & n_microscope(x5) & Actor(e1,x1) & v_look(e1) & in(x1,x2) & n_coat(x2) & of(x2,x3) & n_lab(x3) & n_woman(x1))