Two people kiss on the beach.
Two people are cheating on their partners.
People do not have to be cheating on their partners to kiss on the beach.
exists e1 x1 x2.(n_beach(x2) & on(e1,x2) & Actor(e1,x1) & v_kiss(e1) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2.(on(e1,x2) & n_partner(x2) & of(x2,x1) & n_thing(x1) & Actor(e1,x1) & v_cheat(e1) & n_people(x1) & card_eq_2(x1))