Father is pushing his son on the track.
The father is a psychopath.
Pusing ones son on a track does not imply one is a psychopath
exists e1 x1 x2 x3.(n_track(x3) & n_son(x2) & of(x2,x1) & n_male(x1) & ne_nam_father(x1) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_push(e1))
exists p1 x1.(n_father(x1) & exists x2.((x1 = x2) & n_psychopath(x2)))