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Thanks to the efforts of conservationists , it was decided to preserve the medieval St Leonard 's church , now standing on a small island in the middle of the Věstonice Reservoir ( the middle reservoir ) .
 St Leonard
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 St Leonard