Instruct: Given a premise, retrieve a hypothesis that is entailed by the premise.
Query: Algirdas (Belarusian: Альгерд , Russian: Ольгерд , Polish: "Olgierd" ;  1296  – May 1377) was a ruler of medieval Lithuania. He ruled the Lithuanians and Ruthenians from 1345 to 1377. With the help of his brother Kęstutis (who defended the western border of the Duchy) he created an empire stretching from the present Baltic states to the Black Sea and to within fifty miles of Moscow.
algirdas was a brother of kestutis
Inhabitants of Lithuania and former East Prussia speak a dialect of Latvian 
Lithuania and Latvia are both in the Baltic region.
Olgierd is the polish name for algirdas
Ukraine formed a union with Russia in 1654
Silesia was a great battle
There was a Ukrainian union with Russia in 1654
The army of silesia was prussian and russian
Inhabitants of Lithuania and former East Prussia who are known as Kursininkai speak a dialect of Latvian
Giedraitis is Eastern European.
The alliance included other Earls. 
Russia can be a partner on certain matters.
There is an East Ossetia.
Putin and Olga are estraged family members.
Kazakhstan is close to Russia.
There is a Greater Poland.
Poland is close to Germany
Orthus had a brother.
England was home to the Krestels. 
The Second Silesian War had many parties involved
The Baltic pride only occurs in Latvia, Estonia and Lithuania
People in Belarus were affected by the Chernobyl disaster.
Algirdas ruled over Moscow.
Ольгерд is both Russian and Belarusian
Algirdas was Polish, Lithuanian and part Russian. 