Customers standing in line at a food court.
Customers leave the mall.
Customers can't not leave the mall and standing in line at the same time.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & at(e1,x4) & n_court(x4) & of(x4,x5) & n_food(x5) & in(e1,x3) & n_line(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_customer(x1))
exists e1 x1 x2.(n_mall(x2) & Theme(e1,x2) & Actor(e1,x1) & v_leave(e1) & n_customer(x1))