An empty seat at a Mexican themed restaurant.
The Mexican restaurant is doing good business.
because there is an empty seat the mexican restaurant may or may not be doing good business.
exists e1 s1 s2 x1 x2.(a_topic(x1) & at(x1,x2) & n_restaurant(x2) & Theme(e1,x2) & v_theme(e1) & a_mexican(s2) & Theme(s2,x2) & n_seat(x1) & a_empty(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2.(n_restaurant(x1) & a_mexican(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_business(x2) & a_good(s2) & Theme(s2,x2))