The agency has 53 people on staff, including 27 attorneys, some of whom function as administrators and others who are part-time.
The agency has 107 attorneys on staff and they all work full time. 
mnli hypothesis: The agency has 107 attorneys on staff and they all work full time.  premise: The agency has 53 people on staff, including 27 attorneys, some of whom function as administrators and others who are part-time.