11.   It was not clear Sunday night what role the Marines would play on the ground in southern Afghanistan.

12.   Just what further role Sandoz will play in Organogenesis operations remains unclear.

13.   Just how central a role the Americans played remains in dispute, however.

14.   Looking at which tires are covered, how to get them replaced, what role the government played and how the companies involved are handling this.

15.   Not that he is looking for any additional roles to play, you understand.

16.   Since the plans have not yet been announced in detail, it is unclear exactly what role the state will play.

17.   Still, it was not clear what direct role the United States played in the arrest.

18.   The officials said the administration is still not certain what role, if any, the Russian government played in making the deal.

19.   The services also plan to use video presentations, role playing exercises and pamphlets to hammer home that slurs and innuendos are forbidden.

20.   There has been tension caused by how big a role Camby should play.