premise: A policeman on a motorcycle from the rear.
hypothesis: An officer driving down a street.
explanation_1: Motorcycles are not always on the street.
explanation_2: Just because a police officer is on a motorcycle doesn't mean he is driving.
explanation_3: A policeman can generally be seen from the rear even if he is not driving down the street.
premise_logic: exists x1 x2 x3.(n_rear(x3) & a_topic(x1) & on(x1,x2) & from(x2,x3) & n_motorcycle(x2) & n_policeman(x1))
hypothesis_logic: exists e1 s1 x1 x2 x3.(a_topic(x1) & a_down(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_drive(e1) & n_street(x3) & (x1 = x2) & n_officer(x1))
premise_sim: exists x1 x2 x3.(on(x1,x2) & n_rear(x3) & n_policeman(x1) & n_motorcycle(x2) & from(x2,x3) & a_topic(x1))
hypothesis_sim: exists e1 s1 x1 x2 x3.(v_drive(e1) & n_street(x3) & n_officer(x1) & a_topic(x1) & a_down(s1) & Theme(e1,x3) & Manner(e1,s1) & Actor(e1,x2) & (x1 = x2))