[Latisha] took her granddaughter [Donna] and grandson [Harry] to the mall. [Harry]'s brother [Keith] had other obligations.
('Keith', 'Latisha')
[Latisha] took her granddaughter [Donna] and grandson [Harry] to the mall. [Harry]'s brother [Keith] had other obligations.
[{('Keith', 'grandmother', 'Latisha'): [('Keith', 'brother', 'Harry'), ('Harry', 'grandmother', 'Latisha')]}, {('Harry', 'grandmother', 'Latisha'): [('Harry', 'sister', 'Donna'), ('Donna', 'grandmother', 'Latisha')]}]