premise: A dog with big ears holds a ball in his mouth.
hypothesis: The dog has small ears.
explanation_1: Big is the opposite of small.
explanation_2: Big and small are opposites.
explanation_3: Big ear are not same with small ears.
premise_logic: exists e1 s1 x1 x2 x3 x4.(in(e1,x4) & n_mouth(x4) & of(x4,x1) & n_male(x1) & Theme(e1,x3) & Actor(e1,x1) & v_hold(e1) & n_ball(x3) & with(x1,x2) & n_ear(x2) & a_big(s1) & Theme(s1,x2) & n_dog(x1))
hypothesis_logic: exists e1 s1 x1 x2.(n_dog(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_ear(x2) & a_small(s1) & Theme(s1,x2))