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We formulate the proposal generation problem as a generative proba-bilistic model such that object proposals of different shapes -LRB- i.e. , sizes and orientations -RRB- can be produced by locating the local maximum likelihoods .
 used for: generative proba-bilistic model, proposal generation problem; feature of: shapes, object proposals; hyponym of: sizes, shapes; conjunction: sizes, orientations; hyponym of: orientations, shapes; used for: local maximum likelihoods, object proposals
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:  generative proba-bilistic model, proposal generation problem; shapes, object proposals; sizes, shapes; sizes, orientations; orientations, shapes; local maximum likelihoods, object proposals 
Answer:
 used for: generative proba-bilistic model, proposal generation problem; feature of: shapes, object proposals; hyponym of: sizes, shapes; conjunction: sizes, orientations; hyponym of: orientations, shapes; used for: local maximum likelihoods, object proposals