[Shantel] and [Harold] have been happily married for seven years, and are looking forward to another seventy together. [Antonio] 'wife [Tracy] went with him to a cruise. [Tracy]'s daughter [Erika] stayed home and studied. [Harold] does not know he has a son named [Antonio].
('Shantel', 'Erika')
[Shantel] and [Harold] have been happily married for seven years, and are looking forward to another seventy together. [Harold] does not know he has a son named [Antonio]. [Antonio] 'wife [Tracy] went with him to a cruise. [Tracy]'s daughter [Erika] stayed home and studied.
[{('Shantel', 'granddaughter', 'Erika'): [('Shantel', 'son', 'Antonio'), ('Antonio', 'daughter', 'Erika')]}, {('Antonio', 'daughter', 'Erika'): [('Antonio', 'wife', 'Tracy'), ('Tracy', 'daughter', 'Erika')]}, {('Shantel', 'son', 'Antonio'): [('Shantel', 'husband', 'Harold'), ('Harold', 'son', 'Antonio')]}]
['husband', 'son', 'wife', 'daughter']