A center field baseball player diving to make a catch.
A player catching a ball.
Diving to make a catch only means that the player is attempting to catch the ball, not that he is successfully catching the ball.
exists e1 p1 x1 x2 x3 x4 x5.(a_topic(x1) & Topic(e1,p1) & Actor(e1,x5) & v_dive(e1) & exists e2 x6.(Theme(e2,x6) & Actor(e2,x5) & v_make(e2) & n_catch(x6)) & (x1 = x5) & n_player(x1) & of(x1,x4) & n_baseball(x4) & of(x1,x3) & n_field(x3) & of(x1,x2) & n_center(x2))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_catch(e1) & n_ball(x3) & (x1 = x2) & n_player(x1))