premise: A man in a blue jacket riding a bike
hypothesis: A man is walking his dog.
explanation_1: A man cannot be walking his dog if he is riding a bike.
explanation_2: Riding a bike and walking a dog cannot be done simultaneously.
explanation_3: Man cannot be riding a bike and walking his dog simultaneously.
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 e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_dog(x2) & of(x2,x1) & n_male(x1) & n_man(x1))