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Spontaneous speech understanding is combined with the video-based recognition of natural gestures .
 conjunction: Spontaneous speech understanding, video-based recognition of natural gestures
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:  Spontaneous speech understanding, video-based recognition of natural gestures 
Answer:
 conjunction: Spontaneous speech understanding, video-based recognition of natural gestures