6191
aspergillus niger was found capable of rapidly converting about 97 % of the sugar from brewery spent grain liquor to fungal mass .
 grain, liquor
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:
 grain, liquor