Q: 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 ally of', Sentence: 'There is a moral case for the United States to ally with Israel , in that Israel is a vigorous if not especially genteel constitutional democracy , surrounded by a sea of autocracies some relatively benign , some dangerous .'
A:
ally