390171
The main house , roughly " L " shaped , is composed of two distinct parts : the original farmhouse , built about 1850 , and now the rear of the house ; and the larger , more formal Colonial Revival mansion built 1891-1892 and set perpendicular to it .
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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