[Robert]'s daughter, [Michelle], was glad to have time for lunch with her mom, [Marie]. [Allan], [Marie]'s son, did n't have the time. [Allan]'s aunt, [Beverly], bought him a smart watch.
('Robert', 'Beverly')
[Robert]'s daughter, [Michelle], was glad to have time for lunch with her mom, [Marie]. [Allan], [Marie]'s son, did n't have the time. [Allan]'s aunt, [Beverly], bought him a smart watch.
[{('Robert', 'sister', 'Beverly'): [('Robert', 'son', 'Allan'), ('Allan', 'aunt', 'Beverly')]}, {('Robert', 'son', 'Allan'): [('Robert', 'daughter', 'Michelle'), ('Michelle', 'brother', 'Allan')]}, {('Michelle', 'brother', 'Allan'): [('Michelle', 'mother', 'Marie'), ('Marie', 'son', 'Allan')]}]
['daughter', 'mother', 'son', 'aunt']