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

Output: be city in


Input: Consider Input: Sentence: 'Liberia primary language is English , which is taught in the school system .', Argument/Subject 1: 'english', Argument/Subject 2: 'liberium'

Output: be language of


Input: Consider Input: Sentence: 'Central Mass Disposal , Inc. prides itself in providing unsurpassed quality and personal service , at the most efficient cost structure available .', Argument/Subject 1: 'service', Argument/Subject 2: 'central'


Output: provide in