A male baseball player is holding a baseball.
The baseball player is at bat.
The baseball player does not automatically mean a male baseball player.  Being a bat is different from holding a baseball.
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_hold(e1) & n_baseball(x3) & n_player(x1) & of(x1,x2) & n_baseball(x2) & a_male(s1) & Theme(s1,x1))
exists p1 x1 x2.(n_player(x1) & of(x1,x2) & n_baseball(x2) & exists x3.(at(x1,x3) & n_bat(x3)))