premise: Three motorcyclists are racing on dirt bikes.
hypothesis: People are walking on a street.
explanation_1: Motorcyclists refer to people riding motorcycles and they are racing while people who are walking are not on a motorcycle.
explanation_2: Racing on dirt bikes and walking on a street are very different activities
explanation_3: You cannot be racing on dirt bikes and walking simultaneously.
premise_logic: exists e1 x1 x2 x3.(on(e1,x2) & n_bike(x2) & of(x2,x3) & n_dirt(x3) & Actor(e1,x1) & v_race(e1) & n_motorcyclist(x1) & card_eq_3(x1))
hypothesis_logic: exists e1 x1 x2.(on(e1,x2) & n_street(x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))