premise: A person is walking a bicycle down a city street.
hypothesis: The bike has a flat tire.
explanation_1: The bicycle must not have a flat tire.
explanation_2: Not all bikes being walked have flat tires.
explanation_3: A person can walk a bike without having a flat tire.
premise_logic: exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & down(x2,x3) & n_street(x3) & of(x3,x4) & n_city(x4) & n_bicycle(x2) & n_person(x1))
hypothesis_logic: exists e1 s1 x1 x2.(n_bike(x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_tire(x2) & a_flat(s1) & Theme(s1,x2))