A wedding party laughs during the reception.
People were gathered at a protest.
They're either at the reception or a protest.
exists e1 x1 x2 x3.(n_reception(x3) & a_topic(x1) & during(x1,x3) & n_laugh(x1) & of(x1,x2) & n_party(x2) & Actor(e1,x1) & v_wed(e1))
exists e1 x1 x2.(at(e1,x2) & n_protest(x2) & Theme(e1,x1) & v_gather(e1) & n_people(x1))