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Much of it was filled with rubbish and stagnant water , but despite this , Cliff Clarke , a self-made businessman from South Yorkshire , mounted a campaign to save it .
 person: Cliff Clarke; location: South Yorkshire
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: Cliff Clarke; location: South Yorkshire