premise: A girl and a boy hugging on a bridge
hypothesis: Cat and dog fighting on a boat.
explanation_1: He refers to a boy and girl not a cat and dog. They cannot be hugging and fighting simultaneously. They cannot be on a bride and on a boat simultaneously.
explanation_2: The first sentence is about a girl and a boy while the second sentence is about a cat and a dog.
explanation_3: A boy and a girl are different from a cat and a dog and people cannot be hugging and fighting at the same time.
premise_logic: exists e1 s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & on(e1,x4) & n_bridge(x4) & Actor(e1,x3) & v_hug(e1) & (x2 = x3) & n_boy(x2) & subset_of(x1,s1) & n_girl(x1))
hypothesis_logic: exists s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & on(x2,x4) & n_boat(x4) & n_fighting(x2) & of(x2,x3) & n_dog(x3) & subset_of(x1,s1) & n_cat(x1))
premise_sim: exists e1 s1 x1 x2 x3 x4.(v_hug(e1) & subset_of(x2,s1) & subset_of(x1,s1) & on(e1,x4) & n_girl(x1) & n_bridge(x4) & n_boy(x2) & a_topic(s1) & Actor(e1,x3) & (x2 = x3))
hypothesis_sim: exists s1 x1 x2 x3 x4.(subset_of(x2,s1) & subset_of(x1,s1) & on(x2,x4) & of(x2,x3) & n_fighting(x2) & n_dog(x3) & n_cat(x1) & n_boat(x4) & a_topic(s1))