Complex sentence: Although born in Cape Verde, Rolando moved to Portugal at age of 14 and became a naturalized citizen in 2006, immediately starting playing for the nation's under-21s, for whom he appeared at the 2007 UEFA European Championship.
Split into simpler sentences: Although born in Cape Verde, Rolando moved to Portugal at age of 14 and became a naturalized citizen in 2006. He immediately starting playing for the nation's under-21s, for whom he appeared at the 2007 UEFA European Championship.