Its many supporters argue that the office's expansion of community development work - including helping non-profits incorporate or defend themselves in lawsuits - sets it apart from other agencies.
This office is known for helping non-profits win lawsuits against big corporations. 
mnli hypothesis: This office is known for helping non-profits win lawsuits against big corporations.  premise: Its many supporters argue that the office's expansion of community development work - including helping non-profits incorporate or defend themselves in lawsuits - sets it apart from other agencies.