Two schoolgirls peeking around a tree, and laughing.
Children laughing and playing by a tree.
Schoolgirls are children.
exists e1 e2 x1 x2 x3.(Actor(e2,x3) & v_laugh(e2) & n_schoolgirl(x3) & card_eq_2(x3) & around(e1,x2) & n_tree(x2) & Actor(e1,x1) & v_peek(e1) & n_schoolgirl(x1) & card_eq_2(x1))
exists s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x3,s1) & by(x3,x4) & n_tree(x4) & n_playing(x3) & subset_of(x1,s1) & n_laughing(x1) & (x1 = x2) & ne_nam_children(x2))