4496
a large constituency of voters is concerned that america , an historic leader in innovation , is falling behind as it devotes less attention to developing what they perceive to be essential skills of the imagination and inovation than do other nations .
 constituency, voters
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: component whole, NA, instrument agency, member collection, cause effect, entity destination, content container, message topic, product producer, entity origin 
Text: {0} 
Answer:
 constituency, voters