Please capitalize where necessary: the mailing list for this project is debian-68k@lists.debian.org.
A: The mailing list for this project is debian-68k@lists.debian.org.

Please capitalize where necessary: venice is ideal for those who prefer to get around on foot.
A: Venice is ideal for those who prefer to get around on foot.

Please capitalize where necessary: denmark holds the presidency of the council of the european union in the first half of 2012 (january 1 – june 30).
A: Denmark holds the presidency of the Council of the European Union in the first half of 2012 (January 1 – June 30).

Please capitalize where necessary: not two tigers have the same pattern of stripes.
A:
Not two tigers have the same pattern of stripes.