premise: A dog swims in a pool.
hypothesis: A dog dives into a pool after his toy.
explanation_1: The dog may not be swimming after his toy.  Not all dogs are boys.  The dog did not necessarily dives into the pool.
premise_logic: exists e1 x1 x2.(in(e1,x2) & n_pool(x2) & Actor(e1,x1) & v_swim(e1) & n_dog(x1))
hypothesis_logic: exists e1 x1 x2 x3.(after(e1,x3) & n_toy(x3) & of(x3,x1) & n_male(x1) & into(e1,x2) & n_pool(x2) & Actor(e1,x1) & v_dive(e1) & n_dog(x1))
premise_sim: exists e1 x1 x2.(v_swim(e1) & n_pool(x2) & n_dog(x1) & in(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2 x3.(v_dive(e1) & of(x3,x1) & n_toy(x3) & n_pool(x2) & n_male(x1) & n_dog(x1) & into(e1,x2) & after(e1,x3) & Actor(e1,x1))