A tennis player wearing a white shirt and black pants prepares to hit the ball.
A tennis pro showing how its done
Not every tennis player is a pro, and hitting a ball does not mean you are showing how its done.
exists e1 e2 p1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_ball(x7) & Topic(e2,p1) & Actor(e2,x1) & v_prepare(e2) & exists e3.(Theme(e3,x7) & Actor(e3,x1) & v_hit(e3)) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & subset_of(x6,x4) & n_pants(x6) & a_black(s2) & Theme(s2,x6) & subset_of(x5,x4) & n_shirt(x5) & a_white(s1) & Theme(s1,x5) & (x1 = x3) & n_player(x1) & of(x1,x2) & n_tennis(x2))
exists e1 e2 s1 x1 x2 x3 x4.(Theme(e2,x1) & v_do(e2) & Time(x1,x4) & n_its(x4) & a_how(s1) & Manner(e1,s1) & Actor(e1,x3) & v_show(e1) & (x1 = x3) & n_pro(x1) & of(x1,x2) & n_tennis(x2))