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 province of', Sentence: 'B.C. is the third province in Canada -- after Ontario and Quebec -- to offer such a program .'
[A]: province

[Q]: Given Relationship: 'defeat', Sentence: 'The Greek fleet later defeated Persians at battle of Salamis .'
[A]: defeated

[Q]: Given Relationship: 'be son of', Sentence: 'His wife and son William were murdered by John , possibly starved to death at Windsor Castle .'
[A]:
son