11.  No major change in the strength of all the main constitutional parties is expected once counting ends tonight.

12.  Specially, appointment to the bench should achieve some overall balance as between the nominees of the main political parties in the area.

13.  The main political parties need to be much more explicit about their policies for the environment.

14.  The two main parties are still neck and neck, pointing to a hung Parliament.

15.  The U.S. has two main political parties.

16.  There are two main political parties in the US.

17.  There is constant negotiation between the whips of the main parties over the use of parliamentary time.