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We propose a novel probabilistic framework for learning visual models of 3D object categories by combining appearance information and geometric constraints .
 used for: probabilistic framework, visual models of 3D object categories; used for: appearance information, probabilistic framework; conjunction: appearance information, geometric constraints; used for: geometric constraints, probabilistic framework
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:
 used for: probabilistic framework, visual models of 3D object categories; used for: appearance information, probabilistic framework; conjunction: appearance information, geometric constraints; used for: geometric constraints, probabilistic framework