Two men are out for a stroll with their two young children.
A couple and their two young children go for walk.
It cannot be inferred that the men are a couple.
exists p1 s1 s2 x1 x3.(a_out(s1) & Manner(p1,s1) & exists x2.(for(x1,x2) & with(x2,x3) & n_stroll(x2)) & n_child(x3) & a_young(s2) & Theme(s2,x3) & card_eq_2(x3) & of(x3,x1) & n_thing(x1) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4.(for(e1,x4) & n_walk(x4) & Actor(e1,x1) & v_go(e1) & subset_of(x3,x1) & n_child(x3) & a_young(s1) & Theme(s1,x3) & card_eq_2(x3) & of(x3,x2) & n_thing(x2) & subset_of(x2,x1) & n_couple(x2))