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The suggested approach combines multiple cues , i.e. , positions , velocities and appearance into both the learning and detection phases .
 approach, learning and detection phases; positions, cues; positions, velocities; velocities, cues; velocities, appearance; appearance, cues
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:
 approach, learning and detection phases; positions, cues; positions, velocities; velocities, cues; velocities, appearance; appearance, cues