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.

[EX Q]: Given Relationship: 'declare war on', Sentence: 'When the United States declared war on Germany on April 6 , 1917 , Hemingway tried to enlist in the army .'
[EX A]: declared

[EX Q]: Given Relationship: 'belong in', Sentence: 'I think any argument which claims Blyleven belongs in the Hall of Fame can be effectively refuted , so give it your best shot .'
[EX A]: belongs

[EX Q]: Given Relationship: 'buy', Sentence: 'Two viagra online buy i .us the Paradoxical to ( also in Health in normal and offer of central or , the pills of that in bad effects side viagra 50 require the afterwards .'
[EX A]:
buy