There is a group of people standing in a construction site.
Some people are dancing at a party.
You can't be both standing and dancing.
exists p1 x1 e1 x2 x3 x4 x5 x6.((x1 = x2) & of(x2,x3) & in(e1,x5) & n_site(x5) & of(x5,x6) & n_construction(x6) & Actor(e1,x4) & v_stand(e1) & (x3 = x4) & n_people(x3) & n_group(x2))
exists e1 x1 x2.(at(e1,x2) & n_party(x2) & Actor(e1,x1) & v_dance(e1) & n_people(x1))