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The goal is to establish in Berlin-Dahlem , a site with a strong history in plant science research , an internationally visible plant science centre , including the Botanical Garden Berlin-Dahlem , one of the world ´ s largest botanical gardens and collections .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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