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 language of', Sentence: 'Bordered by Liechtenstein , Austria , Italy , France and Germany , Switzerland is a multilingual nation with four national languages : French , German , Romansh and Italian .'
[A]: languages


[Q]: Given Relationship: 'be region of', Sentence: 'Alsace is the easternmost region of France .'
[A]: region


[Q]: Given Relationship: 'cause', Sentence: 'Many more maintain that HIV cannot cause AIDS alone , but may need additional , unidentified factors .'
[A]:
cause