[Wesley] and his son [Chris] went to the store to by bread. [Martha] took her father [Wesley] to watch a movie together. [Chris] went with his mother Sherry to go to the mall to shop for new school clothes. They ran into Sherry's sister [Cindy] while they were there.
('Martha', 'Cindy')
[Martha] took her father [Wesley] to watch a movie together. [Wesley] and his son [Chris] went to the store to by bread. [Chris] went with his mother Sherry to go to the mall to shop for new school clothes. They ran into Sherry's sister [Cindy] while they were there.
[{('Martha', 'aunt', 'Cindy'): [('Martha', 'father', 'Wesley'), ('Wesley', 'sister', 'Cindy')]}, {('Wesley', 'sister', 'Cindy'): [('Wesley', 'son', 'Chris'), ('Chris', 'aunt', 'Cindy')]}]
['father', 'son', 'aunt']