Two city workers working on something outside.
Two city workers eat lunch at the park.
Working and eating lunch are two different activities scheduled at different times.
exists e1 s1 x1 x2 x3 x4.(on(e1,x3) & Theme(s1,x4) & a_outside(s1) & (x3 = x4) & n_thing(x3) & Actor(e1,x1) & v_work(e1) & n_worker(x1) & of(x1,x2) & n_city(x2) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(n_park(x4) & at(e1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_eat(e1) & n_lunch(x3) & n_worker(x1) & of(x1,x2) & n_city(x2) & card_eq_2(x1))