1316
in particular , we work on devices that take the signal that is carried in a beam of light going through an optical fiber and transfer that signal to another beam of light going through the same fiber .
 None
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:
 None