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.

Given Relationship: 'be love of', Sentence: 'Christ on the Cross demonstrates the love of God as nothing else ever did or can , but He did more .'
love

Given Relationship: 'be secretary of', Sentence: 'He appointed Colin Powell as Secretary of State , Paul O'Neill as Secretary of the Treasury , and Donald Rumsfeld as the Secretary of Defense .'
Secretary

Given Relationship: 'start in', Sentence: 'By September 9th , 1939 , eight days after the start of World War II , Plock was occupied by the German army .'

start