6596
The model is a pushdown automaton augmented with the ability to check reduplication by using the stack in a new way .
 hyponym of: model, pushdown automaton; used for: stack, pushdown automaton; used for: stack, reduplication
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
 Entity Pairs:  model, pushdown automaton; stack, pushdown automaton; stack, reduplication 
Answer:
 hyponym of: model, pushdown automaton; used for: stack, pushdown automaton; used for: stack, reduplication