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As a coach , he has been a member of the Houston Texans , New York Giants , and San Francisco 49ers .
 organization: Houston Texans; organization: New York Giants; organization: San Francisco 49ers
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: Houston Texans, New York Giants, San Francisco 49ers 
Answer:
 organization: Houston Texans; organization: New York Giants; organization: San Francisco 49ers