premise: A black dog is swimming with a ball in his mouth.
hypothesis: The black dog is swimming.
explanation_1: If a dog is swimming, the dog is swimming.
explanation_2: BLACK DOG IS PLAYING HAS BALL AND IS SWIMMING
explanation_3: "The black dog is swimming" is a rephrasing of "a black dog is swimming."
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 p1 s1 x1.(n_dog(x1) & a_black(s1) & Theme(s1,x1) & exists x2.((x1 = x2) & n_swimming(x2)))
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 s1 x1.(n_dog(x1) & exists x2.(n_swimming(x2) & (x1 = x2)) & a_black(s1) & Theme(s1,x1))