Boy playing on the grass with an orange ball.
The boy was eating too.
Playing does not imply eating too.
exists x1 x2 x3 x4 x5.(n_grass(x3) & a_topic(x1) & with(x1,x4) & n_ball(x4) & of(x4,x5) & n_orange(x5) & on(x1,x3) & n_playing(x1) & (x1 = x2) & ne_nam_boy(x2))
exists e1 s1 x1.(n_boy(x1) & a_too(s1) & Manner(e1,s1) & Actor(e1,x1) & v_eat(e1))