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Observations of the atmosphere are undertaken at the Mauna Loa Observatory , and of the Sun at the Mauna Loa Solar Observatory , both located near the mountain 's summit .
 location: Mauna Loa Observatory; location: Mauna Loa Solar Observatory
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: Mauna Loa Observatory; location: Mauna Loa Solar Observatory