A bunch of asian children on steps.
A bunch of Asian children are at the park.
Children cannot be at the park on steps at the same time.
exists s1 x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_step(x3) & of(x1,x2) & n_child(x2) & a_asian(s1) & Theme(s1,x2) & n_bunch(x1))
exists p1 s1 x1 x2 x3.(n_park(x3) & at(x1,x3) & of(x1,x2) & n_child(x2) & a_asian(s1) & Theme(s1,x2) & n_bunch(x1))