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