A kid swings with his feet up in the air in a forest.
The boy is roller skating in the velodrome.
A velodrome is not a forest.
exists x1 x2 x3 x4 x5.(n_air(x4) & a_topic(x1) & n_up(x1) & in(x1,x4) & in(x4,x5) & n_forest(x5) & with(x1,x3) & n_foot(x3) & of(x3,x1) & n_male(x1) & n_swing(x1) & of(x1,x2) & n_kid(x2))
exists p1 x1 x4.(n_velodrome(x4) & n_boy(x1) & exists e1 x2 x3.((x1 = x2) & in(e1,x4) & Actor(e1,x3) & v_skate(e1) & (x2 = x3) & n_roller(x2)))