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.

Input: Consider Input: Sentence: 'Colin Powell endorsed Obama because he 's black .', Argument/Subject 1: 'powell', Argument/Subject 2: 'obama'

Output: endorse


Input: Consider Input: Sentence: 'The city of Tokyo is the capital of Japan and the tourists visit it round the year .', Argument/Subject 1: 'tokyo', Argument/Subject 2: 'japan'

Output: be capital city of


Input: Consider Input: Sentence: 'The best airport in the world has to be Kathmandu in Nepal .', Argument/Subject 1: 'kathmandu', Argument/Subject 2: 'nepal'


Output: be airport in