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Chairman , LB&SCR After Laing retired at the end of 1855 to pursue a political career , Schuster replaced him as chairman of the LB&SCR , instituting a policy of rapidly expanding new routes throughout South London , Sussex , and East Surrey .
 person: Laing; person: Schuster; location: South London; location: Sussex
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: Laing, Schuster, South London, Sussex 
Answer:
 person: Laing; person: Schuster; location: South London; location: Sussex