A man hitting a tennis ball.
A player smacks a hockey puck at a goal.
A tennis ball and  hockey puck are for two different sports.
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 x1 x2 x3 x4.(at(e1,x4) & n_goal(x4) & Theme(e1,x2) & Actor(e1,x1) & v_smack(e1) & n_puck(x2) & of(x2,x3) & n_hockey(x3) & n_player(x1))