premise: A person in a black and green outfit is riding a bicycle.
hypothesis: a girl runs down the street
explanation_1: One cannot simultaneously run and ride a bicycle.
explanation_2: A person riding a bicycle cannot be running.
explanation_3: A person may or may not be a girl.  A person cannot be riding a bicycle and running at the same time.
premise_logic: exists e1 s1 s2 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_bicycle(x3) & in(x1,x2) & n_outfit(x2) & a_green(s2) & Theme(s2,x2) & a_black(s1) & Theme(s1,x2) & n_person(x1))
hypothesis_logic: exists e1 x1 x2.(n_street(x2) & down(e1,x2) & Actor(e1,x1) & v_run(e1) & n_girl(x1))
premise_sim: exists e1 s1 s2 x1 x2 x3.(v_ride(e1) & n_person(x1) & n_outfit(x2) & n_bicycle(x3) & in(x1,x2) & a_green(s2) & a_black(s1) & Theme(s2,x2) & Theme(s1,x2) & Theme(e1,x3) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_run(e1) & n_street(x2) & n_girl(x1) & down(e1,x2) & Actor(e1,x1))