11449
The diademed sifaka and three other sifaka species form a tight species group within the genus " Propithecus " .
 location: Propithecus
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: Propithecus