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.

[Q]: Given Relationship: 'be city in', Sentence: 'Milan hotels -Milan is either Italy 's second or first city , depending on who you ask .'
[A]: city


[Q]: Given Relationship: 'be fill by', Sentence: 'A Vacancy in the office of President shall be filled by the Vice .'
[A]: filled


[Q]: Given Relationship: 'enter', Sentence: 'As America entered into the hostilities of World War II , the requirement for training Navy pilots increased dramatically .'
[A]:
entered