[Beverly] took her sister [Marie] out for dinner to celebrate her birthday. [Heather], who is a young child, asked her aunt, [Tracy], what if feels like to be an adult. [Pedro] went to the beach with his sister [Beverly] and his daughter [Heather].
('Marie', 'Tracy')
[Beverly] took her sister [Marie] out for dinner to celebrate her birthday. [Pedro] went to the beach with his sister [Beverly] and his daughter [Heather]. [Heather], who is a young child, asked her aunt, [Tracy], what if feels like to be an adult.
[{('Marie', 'sister', 'Tracy'): [('Marie', 'brother', 'Pedro'), ('Pedro', 'sister', 'Tracy')]}, {('Marie', 'brother', 'Pedro'): [('Marie', 'sister', 'Beverly'), ('Beverly', 'brother', 'Pedro')]}, {('Pedro', 'sister', 'Tracy'): [('Pedro', 'daughter', 'Heather'), ('Heather', 'aunt', 'Tracy')]}]
['sister', 'brother', 'daughter', 'aunt']