Two people hugging on the street.
Two people on some street show some kind of affection.
It is possible that a hug can be initiated in a one-sided fashion, and both people in the hug may not feel affection for the other.
exists e1 x1 x2 x3.(n_street(x3) & a_topic(x1) & on(e1,x3) & Actor(e1,x2) & v_hug(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_show(e1) & of(x3,x4) & n_affection(x4) & n_kind(x3) & on(x1,x2) & n_street(x2) & n_people(x1) & card_eq_2(x1))