A couple is walking away from a building.
People are walking in a direction away from a building.
Away is used to tell what way you are going.
exists e1 s1 x1 x2.(from(e1,x2) & n_building(x2) & a_away(s1) & Manner(e1,s1) & Actor(e1,x1) & v_walk(e1) & n_couple(x1))
exists e1 x1 x2 x3.(from(e1,x3) & n_building(x3) & r_away(e1) & in(e1,x2) & n_direction(x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))