A tennis player in a white outfit hits a tennis ball.
The tennis player watches the ball go by.
The tennis player either hits the ball or watches the ball, not both.
exists e1 s1 x1 x2 x3 x4 x5.(Theme(e1,x4) & Actor(e1,x1) & v_hit(e1) & n_ball(x4) & of(x4,x5) & n_tennis(x5) & in(x1,x3) & n_outfit(x3) & a_white(s1) & Theme(s1,x3) & n_player(x1) & of(x1,x2) & n_tennis(x2))
exists e1 s1 x1 x2 x3 x4.(n_go(x3) & of(x3,x4) & n_ball(x4) & n_player(x1) & of(x1,x2) & n_tennis(x2) & a_by(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_watch(e1))