5046
the joey leaves the pouch for short periods in about nine months of age , but continues to be suckled until it is about 18 months of age .
 joey, pouch
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:
 joey, pouch