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.

Example Input: 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'
Example Output: be hold in

Example Input: Sentence: 'SA 8/16/23 1 M Hedrick Mary Eugenia Antoinette H. Higginbotham , dau . of Mrs. Ida J. Higginbotham , married John F. Hedick on Aug. 12 , 1923 .', Argument/Subject 1: 'john', Argument/Subject 2: 'mary'
Example Output: marry

Example Input: Sentence: 'Adobe PDF format files require the use of Adobe Acrobat Reader which can be downloaded free .', Argument/Subject 1: 'adobe acrobat reader', Argument/Subject 2: 'pdf'
Example Output:
be require for