You will be given a definition of a task first, then some input of the task.
From the given sentence, extract the phrase (often noun or verb) that carries the given relationship. The generated phrase should be present in the sentence.

Given Relationship: 'be author of', Sentence: 'Did you know that according to Robert Kiyosaki , the author of Rich Dad , Poor Dad that 90 % of all new businesses fail within the first five years ?'
Output:
author