Two young boys with no shirt on, wearing shorts, and blue Crocs on a rock.
To boys are on a rock.
If two young boys are on a rock it could be said that boys are on
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 x2 x3.(to(x1,x2) & exists x4.(on(x3,x4) & n_rock(x4)) & (x2 = x3) & n_boy(x2) & n_event(x1))