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The 612-game regular season ( 34 games for each of the 18 teams ) began on Saturday , October 6 , 2007 , and ended on Friday , May 9 , 2008 .
 None
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