An Asian boy and girl walking amongst a crowd with trees over their path.
Siblings are walking in a crowd.
A boy and a girl do not have to be siblings.
exists s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(s1) & amongst(s1,x4) & over(x4,x6) & n_path(x6) & of(x6,x1) & n_thing(x1) & with(x4,x5) & n_tree(x5) & n_crowd(x4) & n_walking(x2) & of(x2,x3) & n_girl(x3) & n_boy(x1) & subset_of(x2,s1) & subset_of(x1,s1) & a_asian(s2) & Theme(s2,s1))
exists e1 x1 x2.(in(e1,x2) & n_crowd(x2) & Actor(e1,x1) & v_walk(e1) & n_sibling(x1))