Complex sentence: The Italian National Football Indoor AMF on five-a-side football in the South American version, with the rules of the AMF, is headed by the Federazione Italiana Football Sala and it represents Italy in the official or friendly competitions reserved for national selections.
Split into simpler sentences: The Italian National Football Indoor AMF is national Italian team of five-a-side football in the South American version, with the rules of the AMF. It is headed by the Federazione Italiana Football Sala and represents Italy in official or friendly competitions that are reserved for national selections.