Two large brown dogs are playing in the grass.
Two german shepherds play outside.
Not all dogs are german shepherds
exists e1 s1 s2 x1 x2.(n_grass(x2) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & a_brown(s2) & Theme(s2,x1) & a_large(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_play(e1) & n_shepherd(x1) & of(x1,x2) & n_german(x2) & card_eq_2(x1))