Given a sentence and two mentions from the text (arguments), indicate a phrase (a verb or noun phrase) that describes the relationship between the provided arguments.

Sentence: 'John returned from the United States at the request of the " King of Australian television " , Graham Kennedy , to co-host the top rating nightly Coast to Coast news program .', Argument/Subject 1: 'john', Argument/Subject 2: 'state'
return to

Sentence: 'Nazi Germany 's attack on the Soviet Union in June 1941 extended the zone of killing operations even farther east .', Argument/Subject 1: 'germany', Argument/Subject 2: 'soviet union'
attack

Sentence: 'The Republic of Lithuania , is a country in northern Europe on the southeastern coast of the Baltic Sea .', Argument/Subject 1: 'lithuanium', Argument/Subject 2: 'europe'

be country in