A group of workers are entering a construction site.
Workers start their first day building a house.
Just because a group of workers are on a construction site doesn't mean it's their first day.
exists e1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_enter(e1) & n_site(x3) & of(x3,x4) & n_construction(x4) & of(x1,x2) & n_worker(x2) & n_group(x1))
exists e1 e2 s1 x1 x2 x3.(for(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_build(e2) & n_house(x3) & Theme(e1,x2) & Actor(e1,x1) & v_start(e1) & n_day(x2) & a_first(s1) & Theme(s1,x2) & of(x2,x1) & n_thing(x1) & n_worker(x1))