223235
The original set of requirements were relaxed to include the following : information originally represented as logical sentence s in the Knowledge Interchange Format were allowed to be information written in any language including the English language ; and inference rules originally defined as patterns over antecedents and conclusions of inference steps were allowed to be underspecified as long as they were identified and named .
 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