two people sit on a park bench.
The park bench is currently occupied.
THE PARK BENCH IS OCCUPIED BECAUSE PEOPLE SIT ON IT.
exists e1 x1 x2 x3.(on(e1,x2) & n_bench(x2) & of(x2,x3) & n_park(x3) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(n_bench(x1) & of(x1,x2) & n_park(x2) & a_currently(s1) & Manner(e1,s1) & Theme(e1,x1) & v_occupy(e1))