instruction:
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.
question:
Given Relationship: 'be key to', Sentence: 'As present processes are thought to explain all past events , the Uniformitarianism slogan is " the present is the key to the past . "'
answer:
key


question:
Given Relationship: 'be situate in', Sentence: 'The Pyramid Hotel is situated in Nakhodka City Centre .'
answer:
situated


question:
Given Relationship: 'be region in', Sentence: 'On 14 November 2004 Stone joined Band Aid 20 to benefit Sudan 's troubled Darfur region .'
answer:

region