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 friend of', Sentence: 'I have always taken the position that Israel is a friend of the United States , and that friends should always stand up for one another , even in difficult times .'

A: friend
****
Q: Given Relationship: 'discover', Sentence: 'They were all established in Polynesia before Columbus discovered America , and hence could not have been introduced by later Spanish vessels .'

A: discovered
****
Q: Given Relationship: 'succeed', Sentence: 'When Vice-President Theodore Roosevelt succeeded McKinley as President , America 's 19th century symbolically ended and its 20th century began .'

A:
succeeded
****