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: 'join', Sentence: 'Football star David Beckham will remain in Italy after joining AC Milan while his wife Victoria will stay back in Los Angeles with their three ...'

SOLUTION: joining

PROBLEM: Given Relationship: 'be city of', Sentence: 'Lahore is Pakistan 's second largest city and the capital of the northeastern province of Punjab .'

SOLUTION: city

PROBLEM: Given Relationship: 'be son of', Sentence: 'Phinehas son of Eleazar had been in charge of the gatekeepers in earlier times , and the LORD had been with him .'

SOLUTION:
son