Two people sit on a bench at a park.
Two people at the park.
Two people are at park and sitting on a bench
exists e1 x1 x2 x3.(at(e1,x3) & n_park(x3) & on(e1,x2) & n_bench(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1) & card_eq_2(x1))
exists x1 x2.(n_park(x2) & a_topic(x1) & at(x1,x2) & n_people(x1) & card_eq_2(x1))