premise: A policeman is directing a crowd of people walking.
hypothesis: A policeman is herding pedestrians.
explanation_1: Pedestrians are people who are walking and since the policeman is directing them he can be told to herding pedestrians
explanation_2: A policeman is herding a crowd of people.
explanation_3: directing a crowd of people is other expression of  herding pedestrians.
premise_logic: exists e1 e2 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_direct(e2) & of(x2,x3) & Actor(e1,x4) & v_walk(e1) & (x3 = x4) & n_people(x3) & n_crowd(x2) & n_policeman(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_herd(e1) & n_pedestrian(x2) & n_policeman(x1))
premise_sim: exists e1 e2 x1 x2 x3 x4.(v_walk(e1) & v_direct(e2) & of(x2,x3) & n_policeman(x1) & n_people(x3) & n_crowd(x2) & Theme(e2,x2) & Actor(e2,x1) & Actor(e1,x4) & (x3 = x4))
hypothesis_sim: exists e1 x1 x2.(v_herd(e1) & n_policeman(x1) & n_pedestrian(x2) & Theme(e1,x2) & Actor(e1,x1))