Complex sentence: As the wife of Felipe Calderón, President of Mexico during 2006-2012, Margarita Zavala is considered "First Lady" although such function is not defined by the legal frame in Mexico.
Split into simpler sentences: As the wife of the President of Mexico during 2006-2012, Felipe Calderón, Margarita Zavala is considered "First Lady" in the country. Although, such function is not defined by the legal frame in Mexico.