1923
Any valid SGML or XML document that references an " external subset " in its DTD , or whose body contains references to " parsed external entities " declared in its DTD ( including those declared within its " internal subset " ) , may only be partially parsed but cannot be fully validated by " validating " SGML or XML parsers in their " standalone " mode ( this means that these validating parsers do n't attempt to retrieve these external entities , and their replacement text is not accessible ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None