378539
As the shadow of interplanetary war stretches ever more darkly over both worlds , Kit and Nita must fight to understand and master the strange and ancient synergy binding them to Mars and its last inhabitants ... or the history that left Mars lifeless will repeat itself on Earth .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None