A boy standing on a football field with a colored ball.
kids swimming in a pool
A boy will not be standing on a football field if kids are swimming in a pool.
exists e1 e2 x1 x2 x3 x4 x5.(a_topic(x1) & with(e1,x5) & n_ball(x5) & Theme(e2,x5) & v_color(e2) & on(e1,x3) & n_field(x3) & of(x3,x4) & n_football(x4) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_boy(x1))
exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_pool(x3) & n_swimming(x1) & of(x1,x2) & n_kid(x2))