A man sits at a desk with four computer monitors.
a man is laying at the beach
There are no computer monitors on a beach and a man cannot be laying while sitting at a desk.
exists e1 x1 x2 x3 x4.(with(e1,x3) & n_monitor(x3) & of(x3,x4) & n_computer(x4) & card_eq_4(x3) & at(e1,x2) & n_desk(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))
exists e1 x1 x2.(n_beach(x2) & at(e1,x2) & Actor(e1,x1) & v_lay(e1) & n_man(x1))