267699
As a member of the Mars family , his share of the company and other assets were worth US$ 10 billion in September 2010 , down from US$ 11 billion in March 2010 .
 person: Mars
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: Mars 
Answer:
 person: Mars