Q: 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 son of', Sentence: 'Mr. and Mrs. Thomas Madison Robinson of Thorsby are proud to announce the engagement and upcoming marriage of their daughter Ragan Brittany Robinson to Joseph Kyle Thomas , son of Mr. and Mrs. Henry Joseph Thomas Jr. all of Pleasant Grove .'
A:
son