premise: A police officer standing on a train.
hypothesis: A cop is standing on a train on his way to work..
explanation_1: A police officer doesn't need to be on his way to work to stand on a train.
explanation_2: Not all police officers standing on a train are necessarily be on their way to work.
explanation_3: We don't know where the cop is going, maybe it is on his way to work, maybe not.
premise_logic: exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_train(x4) & Actor(e1,x3) & v_stand(e1) & (x1 = x3) & n_officer(x1) & of(x1,x2) & n_police(x2))
hypothesis_logic: exists e1 p1 x1 x2 x3.(on(e1,x3) & Topic(x3,p1) & exists e2.(Actor(e2,x3) & v_work..(e2)) & n_way(x3) & of(x3,x1) & n_male(x1) & on(e1,x2) & n_train(x2) & Actor(e1,x1) & v_stand(e1) & n_cop(x1))