Two people sharing a laugh outdoors.
They are laughing at each other
Two people sharing a laugh does not mean they are laughing at each other.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_share(e1) & n_outdoors(x3) & of(x3,x4) & n_laugh(x4) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1.(n_thing(x1) & all x2.(n_other(x2) -> at(e1,x2)) & Actor(e1,x1) & v_laugh(e1))