[Robert]'s wife, [Marie] was hungry, so [Robert] cooked her her favorite meal. [Marie] took her daughter, [Angelica], out to High Tea yesterday afternoon. [Harold] made a grilled cheese for his son [Louis]. [Louis]'s brother [Robert] ate a salad.
('Harold', 'Angelica')
[Harold] made a grilled cheese for his son [Louis]. [Louis]'s brother [Robert] ate a salad. [Robert]'s wife, [Marie] was hungry, so [Robert] cooked her her favorite meal. [Marie] took her daughter, [Angelica], out to High Tea yesterday afternoon.
[{('Harold', 'granddaughter', 'Angelica'): [('Harold', 'son', 'Robert'), ('Robert', 'daughter', 'Angelica')]}, {('Harold', 'son', 'Robert'): [('Harold', 'son', 'Louis'), ('Louis', 'brother', 'Robert')]}, {('Robert', 'daughter', 'Angelica'): [('Robert', 'wife', 'Marie'), ('Marie', 'daughter', 'Angelica')]}]
['son', 'brother', 'wife', 'daughter']