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: 'return to', Sentence: 'Santa Anna again sought exile and returned to Mexico very late in life , dying in poverty in 1876 .'

SOLUTION: returned

PROBLEM: Given Relationship: 'consist of', Sentence: 'University Police Department consists of the Chief and Assistant Chief of Police as administrators , sworn law enforcement officers .'

SOLUTION: consists

PROBLEM: Given Relationship: 'lead in', Sentence: 'WASHINGTON ?  Sen. Barack Obama is leading Sen. John McCain in the crucial swing states of Ohio , Pennsylvania and Florida , according to a new survey of the so-called battleground or purple states .'

SOLUTION:
leading