premise: A man in a blue jacket riding a bike
hypothesis: A man is on his yellow bike.
explanation_1: The man is riding his bike we can't tell if it's yellow.
explanation_2: All bikes are not yellow.
explanation_3: Bikes can be colors other than yellow.
premise_logic: exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_ride(e1) & n_bike(x4) & (x2 = x3) & n_jacket(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
hypothesis_logic: exists p1 s1 x1 x2.(on(x1,x2) & n_bike(x2) & a_yellow(s1) & Theme(s1,x2) & of(x2,x1) & n_male(x1) & n_man(x1))