Complex sentence: Juan Alejandro Barreto Cipriani (born 1959) is a politician in Venezuela, was mayor of Caracas between 2004 until 2008, belongs to the United Socialist Party of Venezuela (PSUV).
Split into simpler sentences: Juan Alejandro Barreto Cipriani (born 1959) is a politician in Venezuela. Juan Barreto belongs to the United Socialist Party of Venezuela (PSUV).