4658
We relax the non-linear nature of the problem by accepting two assumptions which surveillance scenarios offer , ie .
 feature of: non-linear nature, problem
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:  non-linear nature, problem 
Answer:
 feature of: non-linear nature, problem