Sardinia & Sicily
Sicily is part of Italy which is part of Europe, therefore it would be logical to say Sicily is on the European Continent. The island however sits on the African tectonic plate so geographically it is part of Africa.
The Philippines belong to the continent of Asia.
Italy
Sicily is a region of Italy but they have a self governing community. Although its under Italy, it isn't a separate country.
African continent
The USA is in the continent America.
It belongs to the continent of Asia.
The South American Continent.
Congo is in the continent of Africa.
Asian continent
No. Poland is on the European continent.