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This paper addresses the problem of optimal alignment of non-rigid surfaces from multi-view video observations to obtain a temporally consistent representation .
 optimal alignment of non-rigid surfaces, temporally consistent representation; multi-view video observations, optimal alignment of non-rigid surfaces
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 optimal alignment of non-rigid surfaces, temporally consistent representation; multi-view video observations, optimal alignment of non-rigid surfaces