premise: A dog running on grass
hypothesis: A dog is on the grass.
explanation_1: A dog running on grass must be on the grass.
explanation_2: A dog must be on the grass to be running on the grass.
explanation_3: A dog could  also be running on grass.
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 p1 x1 x2.(n_grass(x2) & on(x1,x2) & n_dog(x1))