85452
During the early 1970s the British Music press ( NME et al. ) sarcastically coined the phrase " The Gum Leaf Mafia " to describe Australian clients of Peter Gormley who arrived en masse in London in the late 1960s e.g. Olivia Newton-John , The Seekers , The New Seekers , Kevin Peek , Terry Britten , Alan Tarney , Trevor Spencer , John Farrar , Barrie Guard , etc. .
 Gormley, Olivia Newton-John, Kevin Peek, Terry Britten, Alan Tarney, Trevor Spencer, John Farrar
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Gormley, Olivia Newton-John, Kevin Peek, Terry Britten, Alan Tarney, Trevor Spencer, John Farrar