two people share a hug.
Two people are embracing each other.
Hug is a rephrasing of embracing each other
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_share(e1) & n_hug(x2) & n_people(x1) & card_eq_2(x1))
exists x1.(all x2.(n_other(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_embrace(e1))) & n_people(x1) & card_eq_2(x1))