A man hitting a tennis ball.
A young man serves a tennis ball to his female opponent.
Hitting a tennis ball does not necessarily mean serves a tennis ball.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_hit(e1) & n_ball(x3) & of(x3,x4) & n_tennis(x4) & (x1 = x2) & n_man(x1))
exists e1 s1 s2 x1 x2 x3 x4.(to(e1,x4) & n_opponent(x4) & a_female(s2) & Theme(s2,x4) & of(x4,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_serve(e1) & n_ball(x2) & of(x2,x3) & n_tennis(x3) & n_man(x1) & a_young(s1) & Theme(s1,x1))