Workers in green shirts are waiting on several customers.
The business is completely empty.
Workers and several customers indicates the business in not empty.
exists e1 s1 s2 x1 x2 x3.(on(e1,x3) & n_customer(x3) & a_several(s2) & Theme(s2,x3) & Actor(e1,x1) & v_wait(e1) & in(x1,x2) & n_shirt(x2) & a_green(s1) & Theme(s1,x2) & n_worker(x1))
exists s1 x1.(n_business(x1) & r_completely(s1) & Theme(s1,x1) & a_empty(s1))