small dog running in the grass with a toy in its mouth
The dog is walking on the carpet.
The dog cannot be on grass if it is on carpet, and cannot be walking if it is running
exists e1 s1 x1 x2 x3 x4 x5.(n_mouth(x5) & of(x5,x3) & n_thing(x3) & n_grass(x3) & a_topic(x1) & with(e1,x4) & in(x4,x5) & n_toy(x4) & in(e1,x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1) & a_small(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_carpet(x2) & n_dog(x1) & on(e1,x2) & Actor(e1,x1) & v_walk(e1))