69260
It is suggested in " Darkover Landfall " that they are the descendants of human-chieri pairings , who have learned to use native matrix stones to focus their laran powers .
 Darkover Landfall
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Darkover Landfall