Mark only the correct sentences.

• London is a capital of Ireland.
• Now the Tower of London is a palace .
• William the Conqueror built the White Tower in the eleventh century.
• There are always black ravens in the Tower of London.
• Trafalgar Square is not in the centre of London.
• In the middle of Trafalgar Square there is a monument to Admiral Nelson.
• Big Ben was a nickname of a tall man.
• Whitehall is a building.
• The Queen of England lives in the Houses of Parliament.
• In front of Buckingham Palace there is the Queen Victoria Memorial.