TASK DEFINITION: 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.
PROBLEM: 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 . "'

SOLUTION: key

PROBLEM: Given Relationship: 'be member of', Sentence: 'The Division President invites all Division Committee members and Task Group members to contribute further nominations .'

SOLUTION: members

PROBLEM: Given Relationship: 'be elect', Sentence: 'Many businessmen pressed the newly elected President , Franklin D. Roosevelt , to recognize Russia formally .'

SOLUTION:
elected