[Jacob]'s father [Roy] is going to coach the team this year. [Jacob] and his daughter, [Bridget] go to concerts every week.
('Roy', 'Bridget')
[Jacob]'s father [Roy] is going to coach the team this year. [Jacob] and his daughter, [Bridget] go to concerts every week.
[{('Roy', 'granddaughter', 'Bridget'): [('Roy', 'son', 'Jacob'), ('Jacob', 'daughter', 'Bridget')]}]