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 word of', Sentence: 'While the Koran is considered to be the word of God as revealed to Mohammed , the hadith , which were compiled two centuries after his death in 632 , have long been subject to interpretation .'
Output:
word