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By the late 1990s , the station was threatened with demolition to make way for an expansion of the Carilion bio-tech campus resulting in its placement on the Roanoke Valley Preservation Foundation 's 2000 list of Most Endangered Sites .
 organization: Carilion; location: Roanoke
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:
 organization: Carilion; location: Roanoke