(a) Separate statement required Except as provided in (b), any motion involving the content of a discovery request or the responses to such a request must be accompanied by a separate statement. The motions that require a separate statement include a motion: (1) To compel further responses to requests for admission; (2) To compel further responses to interrogatories; (3) To compel further responses to a demand for inspection of documents or tangible things; (4) To compel answers at a deposition;