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.

Ex Input:
Sentence: 'We left Varanasi thinking we would have a somewhat hard 2 days of train and bus travel to Pokhara , Nepal where we would start the Anapurna trek .', Argument/Subject 1: 'trek', Argument/Subject 2: 'pokhara'

Ex Output:
start from

Ex Input:
Sentence: 'Shimla originally called Simla , is the capital city of Himachal Pradesh .', Argument/Subject 1: 'shimlum', Argument/Subject 2: 'himachal pradesh'

Ex Output:
be capital city of

Ex Input:
Sentence: 'The Republicans lost control of the Senate , but at least her two-year reign of " The Election Cycle That Stunk For Republicans " is over .', Argument/Subject 1: 'republican', Argument/Subject 2: 'senate'

Ex Output:
control