premise: A man and a boy ride a four wheeled vehicle.
hypothesis: They are on the road.
explanation_1: Riding a four wheeled vehicle does not mean one is necessarily on the road.
premise_logic: exists s1 x1.(a_topic(s1) & all s2 x2.((n_vehicle(x2) & a_wheeled(s2) & Theme(s2,x2) & card_eq_4(x2)) -> exists x3 x4.(subset_of(x3,s1) & for(x3,x2) & n_ride(x3) & of(x3,x4) & n_boy(x4))) & subset_of(x1,s1) & n_man(x1))
hypothesis_logic: exists p1 x1 x2.(n_road(x2) & n_thing(x1) & on(x1,x2))
premise_sim: exists s1 x1.(subset_of(x1,s1) & n_man(x1) & all s2 x2.(exists x3 x4.(subset_of(x3,s1) & of(x3,x4) & n_ride(x3) & n_boy(x4) & for(x3,x2)) | -n_vehicle(x2) | -card_eq_4(x2) | -a_wheeled(s2) | -Theme(s2,x2)) & a_topic(s1))
hypothesis_sim: exists x1 x2.(on(x1,x2) & n_thing(x1) & n_road(x2))