premise: People are riding on a train.
hypothesis: People are on a train.
explanation_1: Being on a train means the people are riding the train.
premise_logic: exists e1 x1 x2.(on(e1,x2) & n_train(x2) & Actor(e1,x1) & v_ride(e1) & n_people(x1))
hypothesis_logic: exists p1 x1.(exists x2.(on(x1,x2) & n_train(x2)) & n_people(x1))
premise_sim: exists e1 x1 x2.(v_ride(e1) & on(e1,x2) & n_train(x2) & n_people(x1) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_people(x1) & exists x2.(on(x1,x2) & n_train(x2)))