A baseball player in mid-swing.
A baseball player in swing.
The player swings.
exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_mid-swing(x3) & n_player(x1) & of(x1,x2) & n_baseball(x2))
exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_swing(x3) & n_player(x1) & of(x1,x2) & n_baseball(x2))