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.
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Question: Given Relationship: 'be son of', Sentence: 'And Gideon the son of Joash died4 in a good old age , and was buried11 in the sepulchre of Joash his father , in Ophrah of the Abiezrites .'

Answer: son


Question: Given Relationship: 'be chief of', Sentence: 'We work for the Chief Executive Officer also known as The President of the United States .'

Answer: Chief


Question: Given Relationship: 'be part of', Sentence: 'Kaplan University is part of Kaplan Higher Education , which serves more than 100,000 students through 70-plus campus-based schools and online operations across the United States and abroad .'

Answer:
part