There are many tennis balls on a stand behind the blonde tennis player.
The tennis player is near the tennis balls.
If the balls are behind the tennis player then the tennis player is standing near the balls.
exists p1 x1 s1 x2 x3 x4 x5.((x1 = x2) & on(x2,x4) & behind(x4,x5) & n_player(x5) & of(x5,x3) & n_tennis(x3) & n_tennis(x3) & a_blonde(s1) & Theme(s1,x5) & n_stand(x4) & n_ball(x2) & of(x2,x3) & n_quantity(x2))
exists p1 x1 x2 x3.(n_ball(x3) & of(x3,x2) & n_tennis(x2) & n_tennis(x2) & n_player(x1) & of(x1,x2) & near(x1,x3))