Construction crews work the night shift to get everything ready for next day.
No one is working.
If no one is working, then people cannot simultaneously work.
exists e1 p1 x1 x2 x3 x4.(n_shift(x3) & of(x3,x4) & n_night(x4) & Theme(e1,x3) & Actor(e1,x1) & v_work(e1) & Topic(x3,p1) & all x5.(n_thing(x5) -> exists e2 s1 s2 x6 x7.(Theme(e2,x5) & Actor(e2,x3) & v_get(e2) & for(s1,x7) & n_day(x7) & a_next(s2) & Theme(s2,x7) & Theme(s1,x6) & a_ready(s1) & (x5 = x6))) & n_crew(x1) & of(x1,x2) & n_construction(x2))
-exists e1 x1.(Actor(e1,x1) & v_work(e1) & n_one(x1))