Japanese	japan	0.1374
Tokyo	tok	0.1374
islands	island	0.1374
declaration	decl	0.0497
joint declaration	joint decl	0.0497
Irkutsk	irkutsk	0.0497
signing	sign	0.0497
peace treaty	peac treat	0.0081
talks	talk	0.0081
USSR	ussr	0.0081
Irkutsk declaration	irkutsk decl	0.0081
Kunashir and Iturup	kunashir and iturup	0.0081
Russian-Japanese summit	rus japan sum	0.0081
South Kuriles	south kuril	0.0081
years	year	0.0081