875
 But conservative opposition has been rising , bolstered by news this week that Princess Kiko , 39 , the wife of Emperor Akihito 's second son , Prince Akishino , is pregnant . 
 children: Akihito, Prince Akishino
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
 Entity Pairs:  Akihito, Prince Akishino 
Answer:
 children: Akihito, Prince Akishino