[Marie] went on a vacation with her brother [Bobby]. [Frances] drove her son [Hugh] to his soccer game. [Hugh] has been trying all day to reach his daughter [Marie] on the phone.
('Frances', 'Bobby')
[Frances] drove her son [Hugh] to his soccer game. [Hugh] has been trying all day to reach his daughter [Marie] on the phone. [Marie] went on a vacation with her brother [Bobby].
[{('Frances', 'grandson', 'Bobby'): [('Frances', 'son', 'Hugh'), ('Hugh', 'son', 'Bobby')]}, {('Hugh', 'son', 'Bobby'): [('Hugh', 'daughter', 'Marie'), ('Marie', 'brother', 'Bobby')]}]
['son', 'daughter', 'brother']