Input (grade 13): SÃ # o TomÃ and PrÃ ncipe, officially the Democratic Republic of SÃ # o TomÃ and PrÃ ncipe, is a Portuguese-speaking island nation in the Gulf of Guinea, off the western equatorial coast of Central Africa.
Output (grade 7): SÃ # o TomÃ and PrÃ ncipe is formed by two volcanic islands - the biggest of which is S. TomÃ - and several islets, and is located in the Gulf of Guinea, off the Western equatorial coast of Africa.