A man in a green shirt is on the computer in a small room.
A man watching tv.
The man cannot be watching tv if he is on a computer.
exists p1 s1 x1 x2 x3.(n_computer(x3) & exists s2 x4.(on(x1,x3) & in(x3,x4) & n_room(x4) & a_small(s2) & Theme(s2,x4)) & in(x1,x2) & n_shirt(x2) & a_green(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_watch(e1) & n_tv(x3) & (x1 = x2) & n_man(x1))