Two young boys with no shirt on, wearing shorts, and blue Crocs on a rock.
Two boys are in a rock.
Two boys are either in a rock or on a rock.
exists s1 s2 x1 x2 x3 x4.(a_topic(x1) & with(x1,x2) & subset_of(x3,x2) & on(x3,x4) & n_rock(x4) & n_croc(x3) & a_blue(s2) & Theme(s2,x3) & -exists e1 s3 x5 x6.(subset_of(x5,x2) & on(x5,x6) & n_shorts(x6) & Actor(e1,x6) & v_wear(e1) & a_,(s3) & Theme(s3,x6) & n_shirt(x5)) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists p1 x1.(exists x2.(in(x1,x2) & n_rock(x2)) & n_boy(x1) & card_eq_2(x1))