[Robert] took his son [Ronald] to school this morning because he missed the bus. [Dorothy] grew up really close to her sister Rachel. When Rachel had her son [Ronald], [Dorothy] became like a second mom to him. [Marie] took her younger sister [Tracy] to the carnival last weekend. [Marie] and her husband [Robert] are planning to go to Hawaii. They're hoping to have a wonderful time there.
('Tracy', 'Dorothy')
[Marie] took her younger sister [Tracy] to the carnival last weekend. [Marie] and her husband [Robert] are planning to go to Hawaii. They're hoping to have a wonderful time there. [Robert] took his son [Ronald] to school this morning because he missed the bus. [Dorothy] grew up really close to her sister Rachel. When Rachel had her son [Ronald], [Dorothy] became like a second mom to him.
[{('Tracy', 'sister', 'Dorothy'): [('Tracy', 'sister', 'Marie'), ('Marie', 'sister', 'Dorothy')]}, {('Marie', 'sister', 'Dorothy'): [('Marie', 'son', 'Ronald'), ('Ronald', 'aunt', 'Dorothy')]}, {('Marie', 'son', 'Ronald'): [('Marie', 'husband', 'Robert'), ('Robert', 'son', 'Ronald')]}]
['sister', 'husband', 'son', 'aunt']