2909
Former members Former members have included major names from the field of modern Welsh art including Brenda Chamberlain , Ernest Zobole , Tony Goble , Arthur Giardelli , John Petts , Ernest Zobole , William Brown , David Tinker , Bert Isaac , Peter Bailey and Laurie Williams .
 person: Brenda Chamberlain; person: Ernest Zobole; person: Tony Goble; person: John Petts; person: Ernest Zobole
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Brenda Chamberlain; person: Ernest Zobole; person: Tony Goble; person: John Petts; person: Ernest Zobole