16108
Apart from large areas of moorland , small areas of Mynydd Fforest have been re-taken by native trees , such as Mountain Ash , Sessile Oak , Holly , Hazel , Hawthorn , Blackthorn , and Ash .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None