[Louis] loves to play baseball with his dad, [Harold]. [Bettie]'s sister [Erika] and father [Antonio] went scuba diving with [Erika]'s grandfather, [Harold].
('Antonio', 'Louis')
[Bettie]'s sister [Erika] and father [Antonio] went scuba diving with [Erika]'s grandfather, [Harold]. [Louis] loves to play baseball with his dad, [Harold].
[{('Antonio', 'brother', 'Louis'): [('Antonio', 'father', 'Harold'), ('Harold', 'son', 'Louis')]}, {('Antonio', 'father', 'Harold'): [('Antonio', 'daughter', 'Bettie'), ('Bettie', 'grandfather', 'Harold')]}, {('Bettie', 'grandfather', 'Harold'): [('Bettie', 'sister', 'Erika'), ('Erika', 'grandfather', 'Harold')]}]
['daughter', 'sister', 'grandfather', 'son']