1881
The next two books , " Comet in Moominland " and " Finn Family Moomintroll " , published in 1946 and 1948 respectively , were highly successful in sales , adding to sales of the first book .
 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