premise: A couple of travelers in a train station.
hypothesis: Some travelers are at a train station.
explanation_1: You are travelers if you are at a train station.
explanation_2: Some is a rephrasing of a couple
explanation_3: "Some travelers" can be synonymous for a "couple of travelers ".
premise_logic: exists x1 x2 x3 x4.(a_topic(x1) & in(x1,x3) & n_station(x3) & of(x3,x4) & n_train(x4) & of(x1,x2) & n_traveler(x2) & n_couple(x1))
hypothesis_logic: exists p1 x1.(exists x2 x3.(at(x1,x2) & n_station(x2) & of(x2,x3) & n_train(x3)) & n_traveler(x1))