9888
A railway line also ran up the valley towards Brynmawr and to Merthyr Tydfil .
 location: Brynmawr; location: Merthyr Tydfil
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: Brynmawr, Merthyr Tydfil 
Answer:
 location: Brynmawr; location: Merthyr Tydfil