premise: Eight tourists stand at a railing looking at an attraction.
hypothesis: The tourists were on a bus tour
explanation_1: Just because they are tourists doesn't mean they are on a bus tour.
explanation_2: The tourists did not necessarily were on a bus tour.
explanation_3: Tourists stand at a railing looking at an attraction don't necessarily imply the tourists were on a bus tour.
premise_logic: exists e1 e2 x1 x2 x3.(for(e1,e2) & at(e2,x3) & n_attraction(x3) & Actor(e2,x1) & v_look(e2) & at(e1,x2) & n_railing(x2) & Actor(e1,x1) & v_stand(e1) & n_tourist(x1) & card_eq_8(x1))
hypothesis_logic: exists p1 x1.(n_tourist(x1) & exists x2 x3.(on(x1,x2) & n_tour(x2) & of(x2,x3) & n_bus(x3)))
premise_sim: exists e1 e2 x1 x2 x3.(v_stand(e1) & v_look(e2) & n_tourist(x1) & n_railing(x2) & n_attraction(x3) & for(e1,e2) & card_eq_8(x1) & at(e2,x3) & at(e1,x2) & Actor(e2,x1) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_tourist(x1) & exists x2 x3.(on(x1,x2) & of(x2,x3) & n_tour(x2) & n_bus(x3)))