[Angelica] took her father, [Robert] out to lunch for his birthday. After lunch, she went to visit her grandmother, [Shantel] in the hospital. [Shantel] wanted her son [Antonio] to pick up her medicine at the local pharmacy. [Antonio] was working so he asked his brother [Louis] if would do it and he said yes.
('Robert', 'Louis')
[Angelica] took her father, [Robert] out to lunch for his birthday. After lunch, she went to visit her grandmother, [Shantel] in the hospital. [Shantel] wanted her son [Antonio] to pick up her medicine at the local pharmacy. [Antonio] was working so he asked his brother [Louis] if would do it and he said yes.
[{('Robert', 'brother', 'Louis'): [('Robert', 'mother', 'Shantel'), ('Shantel', 'son', 'Louis')]}, {('Robert', 'mother', 'Shantel'): [('Robert', 'daughter', 'Angelica'), ('Angelica', 'grandmother', 'Shantel')]}, {('Shantel', 'son', 'Louis'): [('Shantel', 'son', 'Antonio'), ('Antonio', 'brother', 'Louis')]}]
['daughter', 'grandmother', 'son', 'brother']