35905
In 1984 he performed on former Pink Floyd member Roger Waters ' solo album " The Pros and Cons of Hitch Hiking " , and participated in the supporting tour .
 Pink Floyd, Roger Waters
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Pink Floyd, Roger Waters