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: 'Mary Tyler married James Baldwin , son of John Baldwin and Hester Larkin , 20 January 1714/15 St Barnebas Church , Queen Anne Parish , Prince George 's Co , MD.'

Answer: son

Question: Given Relationship: 'open', Sentence: 'Registration will open on February 1st , 2009 at 00:01 MA time and will close on February 10th , 2009 at 23 :59 MA time .'

Answer: open

Question: Given Relationship: 'be elect', Sentence: 'Ratzinger Joseph elected was Benedict XVI and Pope became the 264th successor to Peter the as Vicar of .'

Answer:
elected