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Although Trainer played in the majority of Preston ’s matches during the initial season of 1888 – 89 , it was fellow Welsh goalkeeper Robert Mills-Roberts who had the honour of playing in the FA Cup final against Wolverhampton Wanderers , in a game that Preston won 3 – 0 , securing a double .
 Trainer, Preston, Welsh, Robert Mills-Roberts, Wolverhampton Wanderers, Preston
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Trainer, Preston, Welsh, Robert Mills-Roberts, Wolverhampton Wanderers, Preston