Two men are walking parallel to two women
People walking next to women.
When one is walking parallel one is walking next to generally speaking.
exists e1 x1 x2 x3.(to(e1,x3) & n_woman(x3) & card_eq_2(x3) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_parallel(x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(a_topic(x1) & to(e1,x3) & n_woman(x3) & r_next(e1) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_people(x1))