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: 'London ( Britain capital city has shed its staid reputation .', Argument/Subject 1: 'london', Argument/Subject 2: 'britain'

SOLUTION: be city in

PROBLEM: Sentence: 'Disclosure statement ensures that Buyer knows a signed property condition disclosure should be provided by the Seller prior to contract signing .', Argument/Subject 1: 'seller', Argument/Subject 2: 'buyer'

SOLUTION: provide to

PROBLEM: Sentence: 'This " The Egg Carton Riddle " video requires the latest version of Adobe Flash Player .', Argument/Subject 1: 'video', Argument/Subject 2: 'adobe flash player'

SOLUTION:
require