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Despite these difficulties , given the similarities to the Sun in spectral types , star type , age and probable stability of the orbits , it has been suggested that this stellar system could hold one of the best possibilities for harbouring extraterrestrial life on a potential planet .
 location: Sun
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: Sun