[Antonio] went to the pay with his daughter [Erika] and his mother [Shantel]. [Tracy] went to see her daughter, [Erika], perform in her school play. [Tracy]'s brother, [Robert], joined her.
('Robert', 'Shantel')
[Tracy] went to see her daughter, [Erika], perform in her school play. [Tracy]'s brother, [Robert], joined her. [Antonio] went to the pay with his daughter [Erika] and his mother [Shantel].
[{('Robert', 'mother', 'Shantel'): [('Robert', 'sister', 'Tracy'), ('Tracy', 'mother', 'Shantel')]}, {('Tracy', 'mother', 'Shantel'): [('Tracy', 'daughter', 'Erika'), ('Erika', 'grandmother', 'Shantel')]}, {('Erika', 'grandmother', 'Shantel'): [('Erika', 'father', 'Antonio'), ('Antonio', 'mother', 'Shantel')]}]
['sister', 'daughter', 'father', 'mother']