22043
Texas mentioned slavery 21 times , but also listed the failure of the federal government to live up to its obligations , in the original annexation agreement , to protect settlers along the exposed western frontier .
 location: Texas
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: Texas 
Answer:
 location: Texas