Instructions: 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: Sentence: 'Its report illustrates the dramatic decline in affordability since 1998 , which has seen the cost of properties in most of the South East and large areas of the North West going from four to eight times average earnings .', Argument/Subject 1: 'west', Argument/Subject 2: 'east'
Output:
go