premise: A dog running on grass
hypothesis: A dog is digging in the snow.
explanation_1: The dog is either digging or running.
explanation_2: If a dog is running on grass the dog is not digging in the snow.
explanation_3: running not same as digging
premise_logic: exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_grass(x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1))
hypothesis_logic: exists e1 x1 x2.(n_snow(x2) & in(e1,x2) & Actor(e1,x1) & v_dig(e1) & n_dog(x1))