premise: A German Shepherd carries a small log in the water.
hypothesis: The dog is sleeping
explanation_1: A dog isn't necessarily a German Shepherd.   A German Shepherd that carries a small log in the water cannot simultaneously be sleeping.
premise_logic: exists e1 s1 s2 x1 x2 x3.(n_water(x3) & Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & in(x2,x3) & n_log(x2) & a_small(s2) & Theme(s2,x2) & ne_nam_shepherd(x1) & a_german(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1.(n_dog(x1) & Actor(e1,x1) & v_sleep(e1))
premise_sim: exists e1 s1 s2 x1 x2 x3.(v_carry(e1) & ne_nam_shepherd(x1) & n_water(x3) & n_log(x2) & in(x2,x3) & a_small(s2) & a_german(s1) & Theme(s2,x2) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1.(v_sleep(e1) & n_dog(x1) & Actor(e1,x1))