People hugging at a wedding
People fighting in the streets.
The people can't be hugging while fighting.
exists e1 x1 x2 x3.(a_topic(x1) & at(e1,x3) & n_wedding(x3) & Actor(e1,x2) & v_hug(e1) & (x1 = x2) & n_people(x1))
exists e1 x1 x2 x3.(n_street(x3) & a_topic(x1) & in(e1,x3) & Actor(e1,x2) & v_fight(e1) & (x1 = x2) & n_people(x1))