two adults hug each other.
A group of several men are hugging.
There are either two adults or several men hugging.
exists x1.(all x2.(n_other(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_hug(e1))) & n_adult(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(Actor(e1,x1) & v_hug(e1) & of(x1,x2) & n_man(x2) & a_several(s1) & Theme(s1,x2) & n_group(x1))