Two schoolgirls peeking around a tree, and laughing.
Two girls are playing hide and seek.
Playing around a tree does not automatically  mean that they are playing hide and seek.
exists e2 e1 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 e1 p1 x1.(exists e2 e3.(Actor(e3,x1) & v_seek(e3) & Actor(e2,x1) & v_hide(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_play(e1) & n_girl(x1) & card_eq_2(x1))