Workers at a construction site.
Workers abandoned the site to go on strike.
If the workers abandoned the site to go on strike, they cannot be at a construction site.
exists x1 x2 x3.(a_topic(x1) & at(x1,x2) & n_site(x2) & of(x2,x3) & n_construction(x3) & n_worker(x1))
exists e1 p1 x1 x2.(n_site(x2) & Theme(e1,x2) & Actor(e1,x1) & v_abandon(e1) & Topic(x2,p1) & exists e2 x3.(on(e2,x3) & n_strike(x3) & Actor(e2,x2) & v_go(e2)) & n_worker(x1))