A brown and white Sheltie leaping over a rail.
Lassie doesn't find the child, because that kid was a dog abuser.
lassie was not a sheltie
exists e1 s1 s2 s3 x1 x2.(a_topic(s1) & over(e1,x2) & n_rail(x2) & Actor(e1,x1) & v_leap(e1) & (s1 = x1) & ne_nam_sheltie(s1) & a_white(s3) & Theme(s3,s1) & a_brown(s2) & Theme(s2,s1))
exists x1 x2 x3.(n_kid(x3) & n_child(x2) & ne_per_lassie(x1) & -exists e1 p1.(exists p2 x4 x5.((x3 = x4) & n_abuser(x4) & of(x4,x5) & n_dog(x5)) & because(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_find(e1)))