38892
As long as the signature contains at least one predicate or function in addition to the distinguished order relation , so that the amount of space taken to store such finite structures is actually polynomial in the number of elements in the structure , this precisely characterizes " P " .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None