A puppy with big ears chewing on a stick.
A dog with small ears chews on a stick.
One can not have big ears and small ears simultaneously.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & with(x1,x2) & on(e1,x4) & n_stick(x4) & Actor(e1,x3) & v_chew(e1) & (x2 = x3) & n_ear(x2) & a_big(s1) & Theme(s1,x2) & n_puppy(x1))
exists e1 s1 x1 x2 x3.(on(e1,x3) & n_stick(x3) & Actor(e1,x1) & v_chew(e1) & with(x1,x2) & n_ear(x2) & a_small(s1) & Theme(s1,x2) & n_dog(x1))