[Marie] was playing in the sandbox with her brother [Louis]. [Angelica] went shopping at the mall with her mother [Marie] [Harold] does not know he has a son named [Antonio]. [Harold] went hunting with his son, [Louis].
('Angelica', 'Antonio')
[Angelica] went shopping at the mall with her mother [Marie] [Marie] was playing in the sandbox with her brother [Louis]. [Harold] went hunting with his son, [Louis]. [Harold] does not know he has a son named [Antonio].
[{('Angelica', 'uncle', 'Antonio'): [('Angelica', 'mother', 'Marie'), ('Marie', 'brother', 'Antonio')]}, {('Marie', 'brother', 'Antonio'): [('Marie', 'brother', 'Louis'), ('Louis', 'brother', 'Antonio')]}, {('Louis', 'brother', 'Antonio'): [('Louis', 'father', 'Harold'), ('Harold', 'son', 'Antonio')]}]
['mother', 'brother', 'father', 'son']