186120
January February March April May June July August September October November December Statistical Information Titles won by player These tables present the number of singles ( S ) , doubles ( D ) , and mixed doubles ( X ) titles won by each player and each nation during the season , within all the tournament categories of the 1987 Virginia Slims World Championship Series : the Grand Slam tournaments , the Year-end championships and regular events .
 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