[Robert] and his sister [Tracy] are going for a walk. [Marie] took her son, [Ronald], to go get baked goods from the local bakery. [Tracy] and her father, [Harold], had an argument over the weekend. However, they made up by Monday. [Robert] bought a book for his son [Ronald].
('Marie', 'Harold')
[Marie] took her son, [Ronald], to go get baked goods from the local bakery. [Robert] bought a book for his son [Ronald]. [Robert] and his sister [Tracy] are going for a walk. [Tracy] and her father, [Harold], had an argument over the weekend. However, they made up by Monday.
[{('Marie', 'father', 'Harold'): [('Marie', 'sister', 'Tracy'), ('Tracy', 'father', 'Harold')]}, {('Marie', 'sister', 'Tracy'): [('Marie', 'son', 'Ronald'), ('Ronald', 'aunt', 'Tracy')]}, {('Ronald', 'aunt', 'Tracy'): [('Ronald', 'father', 'Robert'), ('Robert', 'sister', 'Tracy')]}]
['son', 'father', 'sister', 'father']