Father is pushing his son on the track.
A father dances with his son on the mountain top.
One is pushing the other is dancing.
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 e1 x1 x2 x3 x4.(n_top(x3) & of(x3,x4) & n_mountain(x4) & on(e1,x3) & with(e1,x2) & n_son(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_dance(e1) & n_father(x1))