[Robert] did n't get along very well with his sister [Tracy] for some reason. [Harold] is the proud husband of [Shantel]. [Harold] also have a great relationship with his son, [Robert]. [Tracy] and her daughter [Erika] went out to dinner.
('Shantel', 'Erika')
[Harold] is the proud husband of [Shantel]. [Harold] also have a great relationship with his son, [Robert]. [Robert] did n't get along very well with his sister [Tracy] for some reason. [Tracy] and her daughter [Erika] went out to dinner.
[{('Shantel', 'granddaughter', 'Erika'): [('Shantel', 'husband', 'Harold'), ('Harold', 'granddaughter', 'Erika')]}, {('Harold', 'granddaughter', 'Erika'): [('Harold', 'daughter', 'Tracy'), ('Tracy', 'daughter', 'Erika')]}, {('Harold', 'daughter', 'Tracy'): [('Harold', 'son', 'Robert'), ('Robert', 'sister', 'Tracy')]}]
['husband', 'son', 'sister', 'daughter']