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 cede to', Sentence: 'By the Treaty of Paris France ceded Canada and North America to England .'

SOLUTION: ceded

PROBLEM: Given Relationship: 'be president of', Sentence: 'Tomorrow Barack Obama will become president of the United States .'

SOLUTION: president

PROBLEM: Given Relationship: 'be city in', Sentence: 'Zurich is the biggest city in Switzerland , it has a nice historic center in the middle of the city .'

SOLUTION:
city