5160
Such knowledge comes either from domain experts based on their experience or from various physical or geometric constraints that govern the objects we try to model .
 used for: domain experts, knowledge; conjunction: domain experts, physical or geometric constraints; used for: physical or geometric constraints, knowledge
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:  domain experts, knowledge; domain experts, physical or geometric constraints; physical or geometric constraints, knowledge 
Answer:
 used for: domain experts, knowledge; conjunction: domain experts, physical or geometric constraints; used for: physical or geometric constraints, knowledge