5475
A second , related theme is the use of speech and text-image recognition to retrieve arbitrary , user-specified information from documents with signal content .
 used for: speech and text-image recognition, theme; used for: documents with signal content, speech and text-image recognition
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:  speech and text-image recognition, theme; documents with signal content, speech and text-image recognition 
Answer:
 used for: speech and text-image recognition, theme; used for: documents with signal content, speech and text-image recognition