A man sits in front of a wall map and looks at a computer screen.
A woman is reading a book outside.
A man is not a woman.  If one looks at a computer screen, they cannot be reading a book simultaneously.
exists e2 e1 x1 x2 x3 x4 x5 x6 x7.(at(e2,x6) & n_screen(x6) & of(x6,x7) & n_computer(x7) & Actor(e2,x5) & v_look(e2) & n_man(x5) & in(e1,x2) & of(x2,x3) & n_map(x3) & of(x3,x4) & n_wall(x4) & n_front(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & n_outside(x2) & of(x2,x3) & n_book(x3) & n_woman(x1))