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: 'It is God who changed the Law through His Son , Christ Jesus .', Argument/Subject 1: 'jesus', Argument/Subject 2: 'god'
Example Output: be son of

Example Input: Sentence: 'Trivandrum , the capital of the State of Kerala , is a beautiful seaside city built on seven hills .', Argument/Subject 1: 'trivandrum', Argument/Subject 2: 'keralum'
Example Output: be capital city of

Example Input: Sentence: 'The most expensive city in Europe is Moscow which replaced Oslo in this respect .', Argument/Subject 1: 'moscow', Argument/Subject 2: 'europe'
Example Output:
be city in