Instructions: 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.
Input: Given Relationship: 'replace', Sentence: 'Grassroots groups could never run a nationwide ad on CNN or ESPN as it would violate the law in at least one state.This may prove to be another case in which replacing Justice O'Connor with Alito makes all the difference .'
Output:
replacing