Two men wearing reflective vests walking on the side of the road.
A pair of men are walking together.
Two men is a pair of men and walking means that they are walking together.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6.(n_road(x6) & n_side(x5) & a_topic(x1) & Theme(e2,x3) & Actor(e2,x2) & v_wear(e2) & on(e1,x5) & of(x5,x6) & Actor(e1,x4) & v_walk(e1) & (x3 = x4) & n_vest(x3) & a_reflective(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_walk(e1) & of(x1,x2) & n_man(x2) & n_pair(x1))