premise: A brown dog sniffing at the fence of a brown bull.
hypothesis: A dog was sniffing his food before eating it.
explanation_1: The dog is either sniffing at the fence or at his food.
explanation_2: A fence is not food.
explanation_3: A bowl of food and a fence are different objects for the dog to be sniffing at.
premise_logic: exists s1 s2 x1 x2 x3 x4.(n_fence(x3) & a_topic(x1) & at(x1,x3) & of(x3,x4) & n_bull(x4) & a_brown(s2) & Theme(s2,x4) & n_sniffing(x1) & of(x1,x2) & n_dog(x2) & a_brown(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 e2 x1 x2.(before(e1,e2) & Theme(e2,x2) & Actor(e2,x1) & v_eat(e2) & n_thing(x2) & Theme(e1,x2) & Actor(e1,x1) & v_sniff(e1) & n_food(x2) & of(x2,x1) & n_male(x1) & n_dog(x1))