Given the task definition and input, reply with output. 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.

Sentence: 'What it means is that both what Bush said for the benefit of Abbas , and what what he wrote in his carefully crafted letter to Sharon in 2004 are meaningless .', Argument/Subject 1: 'bush', Argument/Subject 2: 'abba'

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
say of