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.
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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 locate in', Sentence: 'Green Edge is ideally located in the heart of Fort Myers , on Southwest Florida Gulf Coast .'

Answer: located

Question: Given Relationship: 'be brother of', Sentence: 'After the overthrow of their Father Cronus he drew lots with Zeus and Poseidon , another brother , to share the power of the world .'

Answer:
brother