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 Q]: Sentence: 'At the 5th Asian Wind Energy Conference and International Wind Energy Equipment Expo held recently in Beijing , 67 % of the 270 participating enterprises came from abroad , and the exhibits cover the whole wind power industrial chain including wind power generators , power transmission equipment , parts and components , and lubricants .', Argument/Subject 1: 'conference', Argument/Subject 2: 'beij'
[EX A]: be hold in

[EX Q]: Sentence: 'This related article explains why Yahoo! buying Konfabulator is more than just about widgets .', Argument/Subject 1: 'yahoo!', Argument/Subject 2: 'konfabulator'
[EX A]: buy

[EX Q]: Sentence: 'The best airport in the world has to be Kathmandu in Nepal .', Argument/Subject 1: 'kathmandu', Argument/Subject 2: 'nepal'
[EX A]:
be airport in