Complex sentence: In Western Australia, the annual Channel Seven Perth Telethon is run by TVW, a Seven Network affiliate in Perth, Western Australia for the Princess Margaret Hospital for Children, the Telethon Institute for Child Health Research and the Telethon Speech and Hearing Centre.
Split into simpler sentences: In Western Australia, the annual Channel Seven Perth Telethon is run by TVW, a Seven Network affiliate in Perth, Western Australia. The three major beneficiaries of Telethon are Princess Margaret Hospital for Children, the Telethon Institute for Child Health Research and the Telethon Speech and Hearing Centre.