Two contractors at work behind a white mailbox.
Two men eating lunch at a deli.
Behind a white mailbox and deli are different places. the men cannot be at work and eating lunch at the same time.
exists s1 x1 x2 x3.(a_topic(x1) & behind(x1,x3) & n_mailbox(x3) & a_white(s1) & Theme(s1,x3) & at(x1,x2) & n_work(x2) & n_contractor(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & at(e1,x4) & n_deli(x4) & Theme(e1,x3) & Actor(e1,x2) & v_eat(e1) & n_lunch(x3) & (x1 = x2) & n_man(x1) & card_eq_2(x1))