TASK DEFINITION: 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.
PROBLEM: Given Relationship: 'be capital of', Sentence: 'We quickly learned that Prague has become the fashion capital of Eastern Europe .'

SOLUTION: capital

PROBLEM: Given Relationship: 'be capital city of', Sentence: 'Nagano is the capital city of Nagano Prefecture , situated near the junction of the Chikuma River and the Sai River on the island of Honshu , Japan .'

SOLUTION: capital

PROBLEM: Given Relationship: 'be founder of', Sentence: 'The Nazis and people like Margaret Sanger , the founder of Planned Parenthood , believe in creating a perfect race .'

SOLUTION:
founder