7
We propose to incorporate a priori geometric constraints in a 3 -- D stereo reconstruction scheme to cope with the many cases where image information alone is not sufficient to accurately recover 3 -- D shape .
 part of: priori geometric constraints, 3 -- D stereo reconstruction scheme; used for: image information, 3 -- D shape
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 part of: priori geometric constraints, 3 -- D stereo reconstruction scheme; used for: image information, 3 -- D shape