Complex sentence: The Lower East Side Preservation Initiative, known as LESPI, is a not-for-profit corporation registered in New York State whose goal is to preserve the remaining historic architecture and streetscapes of Manhattan's East Village and Lower East Side.
Split into simpler sentences: The Lower East Side Preservation Initiative is a not-for-profit corporation registered in New York State. LESPI's goal is to preserve the remaining historic architecture and streetscapes of Manhattan's East Village and Lower East Side.