Factory workers work with yellow packages.
The factory has been closed down for 30 years.
If the factory has been closed down for thirty years, the factory workers cannot work there.
exists e1 s1 x1 x2 x3.(with(e1,x3) & n_package(x3) & a_yellow(s1) & Theme(s1,x3) & Actor(e1,x1) & v_work(e1) & n_worker(x1) & of(x1,x2) & n_factory(x2))
exists e1 s1 x1 x2.(n_factory(x1) & for(e1,x2) & n_year(x2) & n_date(x2) & a_date_day_30(x2) & a_date_day_30(x2) & a_down(s1) & Manner(e1,s1) & Theme(e1,x1) & v_close(e1))