premise: A man riding a bicycle on pavement with graffiti.
hypothesis: The man is walking
explanation_1: The man cannot be riding a bicycle while walking.
explanation_2: A man is riding a bicycle and cannot be walking.
explanation_3: The man can't be riding and walking.
premise_logic: exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & with(e1,x5) & n_graffitus(x5) & on(e1,x4) & n_pavement(x4) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_bicycle(x3) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e1 x1.(n_man(x1) & Actor(e1,x1) & v_walk(e1))