8535
One bottleneck in using BN is that learning the BN model parameters often requires a large amount of reliable and representative training data , which proves to be difficult to acquire for many computer vision tasks .
 used for: representative training data, BN model parameters; used for: representative training data, computer vision tasks
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:  representative training data, BN model parameters; representative training data, computer vision tasks 
Answer:
 used for: representative training data, BN model parameters; used for: representative training data, computer vision tasks