A brown dog digs in the sand for an orange ball.
A dog digs in the sand for a ball.
A DOG CAN BE BROWN AND A BALL CAN BE ORANGE.
exists s1 x1 x2 x3 x4 x5.(n_sand(x3) & a_topic(x1) & in(x1,x3) & for(x3,x4) & n_ball(x4) & of(x4,x5) & n_orange(x5) & n_dig(x1) & of(x1,x2) & n_dog(x2) & a_brown(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_sand(x2) & for(e1,x3) & n_ball(x3) & in(e1,x2) & Actor(e1,x1) & v_dig(e1) & n_dog(x1))