premise: A mom and her boy are riding in a bumper car.
hypothesis: The mom and boy are on a roller coaster.
explanation_1: A bumper car is a different type of amusement park ride, from a roller coaster.
explanation_2: The woman and her child cannot be in a bumper car if they are on a roller coaster.
explanation_3: They cannot be riding in a bumper car and be on a roller coaster the same time.
premise_logic: exists e1 x1 x2 x3 x4 x5.(in(e1,x4) & n_car(x4) & of(x4,x5) & n_bumper(x5) & Actor(e1,x1) & v_ride(e1) & subset_of(x3,x1) & n_boy(x3) & of(x3,x2) & n_female(x2) & subset_of(x2,x1) & n_mom(x2))
hypothesis_logic: exists p1 x1 x2 x3.(n_boy(x3) & n_mom(x2) & subset_of(x3,x1) & subset_of(x2,x1) & exists x4 x5.(on(x1,x4) & n_coaster(x4) & of(x4,x5) & n_roller(x5)))
premise_sim: exists e1 x1 x2 x3 x4 x5.(v_ride(e1) & subset_of(x3,x1) & subset_of(x2,x1) & of(x4,x5) & of(x3,x2) & n_mom(x2) & n_female(x2) & n_car(x4) & n_bumper(x5) & n_boy(x3) & in(e1,x4) & Actor(e1,x1))
hypothesis_sim: exists x1 x2 x3.(subset_of(x3,x1) & subset_of(x2,x1) & n_mom(x2) & n_boy(x3) & exists x4 x5.(on(x1,x4) & of(x4,x5) & n_roller(x5) & n_coaster(x4)))