The janitor is vacuuming the floor to make it ready for the day.
The janitor is working.
Vacuuming the floor implies working.
exists e1 p1 x1 x2 x3.(n_day(x3) & n_thing(x2) & n_floor(x2) & n_janitor(x1) & Topic(e1,p1) & exists e2 p2.(exists s1.(for(s1,x3) & Theme(s1,x2) & a_ready(s1)) & Recipient(e2,p2) & Actor(e2,x1) & Topic(e2,x2) & v_make(e2)) & Theme(e1,x2) & Actor(e1,x1) & v_vacuum(e1))
exists e1 x1.(n_janitor(x1) & Actor(e1,x1) & v_work(e1))