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Following Hewlett-Packard Co. 's purchase of Palm on July 1 , 2010 , Rubinstein became an executive at HP .
 organization: Hewlett-Packard Co. 's; organization: Palm; person: Rubinstein
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: Hewlett-Packard Co. 's, Palm, Rubinstein 
Answer:
 organization: Hewlett-Packard Co. 's; organization: Palm; person: Rubinstein