Two people sitting on the beach at sunset.
The husband and spouse sit on the beach watch the sunset.
Two people are not necessarily husband and spouse.
exists e1 x1 x2 x3 x4.(n_beach(x3) & a_topic(x1) & at(e1,x4) & n_sunset(x4) & on(e1,x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 e2 x1 x2 x3 x4 x5 x6.(n_sunset(x6) & n_beach(x5) & n_spouse(x3) & n_husband(x2) & subset_of(x3,x1) & subset_of(x2,x1) & Theme(e2,x6) & Actor(e2,x1) & v_watch(e2) & on(e1,x5) & Actor(e1,x4) & v_sit(e1) & (x1 = x4))