6480
To further demonstrate its applications for computer vision , we apply it to learn a BN model for facial Action Unit -LRB- AU -RRB- recognition from real image data .
 used for: it, computer vision; used for: it, BN model; used for: BN model, facial Action Unit -LRB- AU -RRB- recognition; used for: real image data, facial Action Unit -LRB- AU -RRB- recognition
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: it, computer vision; used for: it, BN model; used for: BN model, facial Action Unit -LRB- AU -RRB- recognition; used for: real image data, facial Action Unit -LRB- AU -RRB- recognition