Two people are hugging on a couch.
two people hug
"hug" and "hugging on a couch" are different descriptions of the same action.
exists e1 x1 x2.(on(e1,x2) & n_couch(x2) & Actor(e1,x1) & v_hug(e1) & n_people(x1) & card_eq_2(x1))
exists x1 x2.(a_topic(x1) & Time(x1,x2) & n_hug(x2) & n_people(x1) & card_eq_2(x1))