Three men sitting in front of computers.
Three men sitting working at their job.
We don't know that they are working.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & of(x3,x4) & n_computer(x4) & n_front(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1) & card_eq_3(x1))
exists e1 e2 x1 x2 x3.(a_topic(x1) & for(e1,e2) & at(e2,x3) & n_job(x3) & of(x3,x1) & n_thing(x1) & Actor(e2,x2) & v_work(e2) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1) & card_eq_3(x1))