People sitting on benches in between trees.
People sit on benches.
It is clear that the people are sitting on benches.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_tree(x4) & a_between(s1) & Theme(s1,x4) & on(e1,x3) & n_bench(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_people(x1))
exists e1 x1 x2.(on(e1,x2) & n_bench(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1))