112828
Rule Description GIG rules come in essentially four forms : rules that do something unconditionally , rules that do something conditioned on the topmost symbol of the stack , rules that push to the stack , and rules that pop from the stack .
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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