[Harold] met his son [Robert] for dinner. Unfortunately [Harold]'s son [Antonio] could not attend. [Ronald] was thrilled to take his dad, [Robert], to see the tree lighting at town center. [Ronald]'s grandmother, [Shantel], was the grand marshal for the night.
('Antonio', 'Shantel')
[Harold] met his son [Robert] for dinner. Unfortunately [Harold]'s son [Antonio] could not attend. [Ronald] was thrilled to take his dad, [Robert], to see the tree lighting at town center. [Ronald]'s grandmother, [Shantel], was the grand marshal for the night.
[{('Antonio', 'mother', 'Shantel'): [('Antonio', 'brother', 'Robert'), ('Robert', 'mother', 'Shantel')]}, {('Antonio', 'brother', 'Robert'): [('Antonio', 'father', 'Harold'), ('Harold', 'son', 'Robert')]}, {('Robert', 'mother', 'Shantel'): [('Robert', 'son', 'Ronald'), ('Ronald', 'grandmother', 'Shantel')]}]
['father', 'son', 'son', 'grandmother']