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: 'lead in', Sentence: 'Romney has a mostly solid lead in New Hampshire save for the Union Leader newspaper giving him its anti-endorsement , a good sign that at least liberals believe he the best conservative in the pack and he trails Huckabee by a few points Iowa .'

SOLUTION: lead

PROBLEM: Given Relationship: 'be fill by', Sentence: 'A Vacancy in the office of President shall be filled by the Vice .'

SOLUTION: filled

PROBLEM: Given Relationship: 'be ally of', Sentence: 'Spain is a misunderstood ally of the United States .'

SOLUTION:
ally