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Lying north of the San Gabriel Mountains , southeast of the Tehachapis , and east of the Sierra Pelona Mountains , this desert ecosystem spans approximately .
 location: San Gabriel Mountains; location: Tehachapis; location: Sierra Pelona Mountains
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: San Gabriel Mountains, Tehachapis, Sierra Pelona Mountains 
Answer:
 location: San Gabriel Mountains; location: Tehachapis; location: Sierra Pelona Mountains