premise: People are walking along the street.
hypothesis: People are skipping down a street.
explanation_1: Walking can not be skipping.
explanation_2: Walking along is not the same as skipping down a street.
explanation_3: If one is skipping then one can't be walking as well.
premise_logic: exists e1 x1 x2.(n_street(x2) & along(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))
hypothesis_logic: exists e1 x1 x2.(down(e1,x2) & n_street(x2) & Actor(e1,x1) & v_skip(e1) & n_people(x1))