6403
This may derive from a historical feudal system in which the Murabtin were vassals to the Saʿada .
 location: Murabtin; location: Saʿada
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:
 location: Murabtin; location: Saʿada