[Tracy] likes taking her son [Bobby] to school. [Antonio] is taking his son [Bobby] on a camping trip for the weekend. [Beverly] and her father [Harold] went for a hike in the mountains. [Beverly] is a sister of [Antonio].
('Tracy', 'Harold')
[Tracy] likes taking her son [Bobby] to school. [Antonio] is taking his son [Bobby] on a camping trip for the weekend. [Beverly] is a sister of [Antonio]. [Beverly] and her father [Harold] went for a hike in the mountains.
[{('Tracy', 'father', 'Harold'): [('Tracy', 'sister', 'Beverly'), ('Beverly', 'father', 'Harold')]}, {('Tracy', 'sister', 'Beverly'): [('Tracy', 'son', 'Bobby'), ('Bobby', 'aunt', 'Beverly')]}, {('Bobby', 'aunt', 'Beverly'): [('Bobby', 'father', 'Antonio'), ('Antonio', 'sister', 'Beverly')]}]
['son', 'father', 'sister', 'father']