A little boy stands at a football field and prepares to kick a child's play ball.
A student is playing a game.
Just because a little boy stands at a football field and prepares to kick a child's play ball doesn't mean that the student is playing a game.  The boy could be preparing to kick a ball just to kick the ball instead of playing a game.
exists e1 e2 p1 s1 s2 x1 x2 x3 x4.(Topic(e2,p1) & Actor(e2,x4) & v_prepare(e2) & exists e3 x5 x6 x7.(Theme(e3,x6) & Actor(e3,x4) & v_kick(e3) & Time(x6,x7) & n_ball(x7) & n_play(x6) & of(x6,x5) & n_child(x5)) & n_boy(x4) & a_little(s2) & Theme(s2,x4) & at(e1,x2) & n_field(x2) & of(x2,x3) & n_football(x3) & Actor(e1,x1) & v_stand(e1) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_game(x2) & n_student(x1))