premise: two people are waiting for a train at a station.
hypothesis: They expect a train to arrive eventually.
explanation_1: At a train station a train will arrive eventually so people are waiting.
explanation_2: two people waiting for the train expect the train to arrive
explanation_3: Answer: They refers to the two people. waiting tells that they except train.
premise_logic: exists e1 x1 x2 x3.(for(e1,x2) & at(x2,x3) & n_station(x3) & n_train(x2) & Actor(e1,x1) & v_wait(e1) & n_people(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 p1 x1 x2.(n_thing(x1) & Topic(e1,p1) & Recipient(e1,x2) & Actor(e1,x1) & v_expect(e1) & exists e2 s1.(a_eventually(s1) & Manner(e2,s1) & Actor(e2,x2) & v_arrive(e2)) & n_train(x2))