A batter swings as the ball comes in!
The person is playing baseball.
A batter swimming the ball is not necessarily playing baseball.
exists e1 s1 x1 x2 x3.(n_ball(x3) & a_in(s1) & Manner(e1,s1) & Actor(e1,x1) & v_come(e1) & as(x1,x3) & n_swing(x1) & of(x1,x2) & n_batter(x2))
exists e1 x1 x2.(n_person(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_baseball(x2))