5996
While this task has much in common with paraphrases acquisition which aims to discover semantic equivalence between verbs , the main challenge of entailment acquisition is to capture asymmetric , or directional , relations .
 compare: task, paraphrases acquisition; used for: paraphrases acquisition, semantic equivalence; used for: entailment acquisition, asymmetric , or directional , relations
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:  task, paraphrases acquisition; paraphrases acquisition, semantic equivalence; entailment acquisition, asymmetric , or directional , relations 
Answer:
 compare: task, paraphrases acquisition; used for: paraphrases acquisition, semantic equivalence; used for: entailment acquisition, asymmetric , or directional , relations