People sitting on benches while a woman in a red dress is talking to a man on the right.
A woman is talking to her husband.
A man and woman talking to each other are not necessarily husband and wife.
exists e1 p1 x1 x2 x3 x7.(n_right(x7) & a_topic(x1) & exists e2 s1 x4 x5 x6.(to(e2,x6) & on(x6,x7) & n_man(x6) & Actor(e2,x4) & v_talk(e2) & in(x4,x5) & n_dress(x5) & a_red(s1) & Theme(s1,x5) & n_woman(x4)) & while(e1,p1) & on(e1,x3) & n_bench(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_people(x1))
exists e1 x1 x2.(to(e1,x2) & n_husband(x2) & of(x2,x1) & n_female(x1) & Actor(e1,x1) & v_talk(e1) & n_woman(x1))