155048
In 1800 a range of farm buildings were built in red brick and slate , and planning was put in place to greatly improve the farmland to increase food production for the growing population of that time .
 None
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