premise: A black dog is swimming with a ball in his mouth.
hypothesis: A black dog found a ball in the water and is bring it back to its owner.
explanation_1: A black dog found a ball in the water and is bring it back to its owner as the black dog was swimming with a ball in his mouth which must be because the dog found a ball in the water to be retrieved by the dog's owner.
explanation_2: Swimming implies in the water, and ball in his mouth implies bring it back to its owner
explanation_3: Swimming can only be done in the water
premise_logic: exists e1 s1 x1 x2 x3.(with(e1,x2) & in(x2,x3) & n_mouth(x3) & of(x3,x1) & n_male(x1) & n_ball(x2) & Actor(e1,x1) & v_swim(e1) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 e2 s1 s2 x1 x2 x3 x4 x5.(n_owner(x5) & of(x5,x3) & n_thing(x3) & n_thing(x3) & n_water(x3) & to(e2,x5) & r_back(e2) & Theme(e2,x3) & Actor(e2,x4) & v_bring(e2) & n_dog(x4) & a_black(s2) & Theme(s2,x4) & Theme(e1,x2) & Actor(e1,x1) & v_find(e1) & in(x2,x3) & n_ball(x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
premise_sim: exists e1 s1 x1 x2 x3.(with(e1,x2) & v_swim(e1) & of(x3,x1) & n_mouth(x3) & n_male(x1) & n_dog(x1) & n_ball(x2) & in(x2,x3) & a_black(s1) & Theme(s1,x1) & Actor(e1,x1))
hypothesis_sim: exists e1 e2 s1 s2 x1 x2 x3 x4 x5.(v_find(e1) & v_bring(e2) & to(e2,x5) & r_back(e2) & of(x5,x3) & n_water(x3) & n_thing(x3) & n_owner(x5) & n_dog(x4) & n_dog(x1) & n_ball(x2) & in(x2,x3) & a_black(s2) & a_black(s1) & Theme(s2,x4) & Theme(s1,x1) & Theme(e2,x3) & Theme(e1,x2) & Actor(e2,x4) & Actor(e1,x1))