premise: A black dog with a blue collar is jumping into the water.
hypothesis: A black dog wearing a blue collar is chasing something into the water.
explanation_1: The dog is jumping into the water, there is no information given about why or what else is near.  It can't be assumed the dog is chasing something.
explanation_2: Just because a dog jumps into the water does not mean that he is chasing something.
explanation_3: Just because a black dog with a blue collar is jumping into the water does not mean the dog is chasing something. Not all dogs are back.
premise_logic: exists e1 s1 s2 x1 x2 x3.(n_water(x3) & into(e1,x3) & Actor(e1,x1) & v_jump(e1) & with(x1,x2) & n_collar(x2) & a_blue(s2) & Theme(s2,x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 e2 s1 s2 x1 x2 x3 x4 x5.(n_water(x5) & into(e2,x5) & Theme(e2,x4) & Actor(e2,x1) & v_chase(e2) & n_thing(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_collar(x3) & a_blue(s2) & Theme(s2,x3) & (x1 = x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
premise_sim: exists e1 s1 s2 x1 x2 x3.(with(x1,x2) & v_jump(e1) & n_water(x3) & n_dog(x1) & n_collar(x2) & into(e1,x3) & a_blue(s2) & a_black(s1) & Theme(s2,x2) & Theme(s1,x1) & Actor(e1,x1))
hypothesis_sim: exists e1 e2 s1 s2 x1 x2 x3 x4 x5.(v_wear(e1) & v_chase(e2) & n_water(x5) & n_thing(x4) & n_dog(x1) & n_collar(x3) & into(e2,x5) & a_blue(s2) & a_black(s1) & Theme(s2,x3) & Theme(s1,x1) & Theme(e2,x4) & Theme(e1,x3) & Actor(e2,x1) & Actor(e1,x2) & (x1 = x2))