[Roy]'s son [Herman] entered rehab for the ninth time at the age of thirty. [Roy] was sitting in the stands as he watched his daughter [Martha] walk across the aisle and get her college diploma.
('Martha', 'Herman')
[Roy] was sitting in the stands as he watched his daughter [Martha] walk across the aisle and get her college diploma. [Roy]'s son [Herman] entered rehab for the ninth time at the age of thirty.
[{('Martha', 'brother', 'Herman'): [('Martha', 'father', 'Roy'), ('Roy', 'son', 'Herman')]}]