premise: The motorcyclist race on the course.
hypothesis: The man is in his car.
explanation_1: The man can't be in a car if they're a motorcyclist.
explanation_2: The subject cannot be a motorcyclist if he is sitting in his car.
explanation_3: The first sentence is about a motorcyclist, a man on a motorcycle, and the second sentence is about a man in his car.
premise_logic: exists x1 x2 x3.(n_course(x3) & n_race(x1) & of(x1,x2) & n_motorcyclist(x2) & a_topic(x1) & on(x1,x3))
hypothesis_logic: exists p1 x1 x2.(n_car(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & in(x1,x2))
premise_sim: exists x1 x2 x3.(on(x1,x3) & of(x1,x2) & n_race(x1) & n_motorcyclist(x2) & n_course(x3) & a_topic(x1))
hypothesis_sim: exists x1 x2.(of(x2,x1) & n_man(x1) & n_male(x1) & n_car(x2) & in(x1,x2))