TASK DEFINITION: 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.
PROBLEM: Sentence: 'Buy V-RX Va herbal alternative to Viagra from the online sex store at SexyFun.co.uk .', Argument/Subject 1: 'viagra', Argument/Subject 2: 'online'

SOLUTION: buy

PROBLEM: Sentence: 'Born in Copenhagen , Denmark , Hansen is relatively new to the world poker scene but has already amassed winnings in excess of $ 1.8 million and has three WPT championship wins to his name .', Argument/Subject 1: 'hansen', Argument/Subject 2: 'copenhagen'

SOLUTION: be bear in

PROBLEM: Sentence: 'US Congress wants that Ukraine and Georgia join NATO plus other former Soviet republics .', Argument/Subject 1: 'georgium', Argument/Subject 2: 'nato'

SOLUTION:
join