[Antonio] and his wife [Tracy] made chili. [Tracy]'s son [Kevin] loves their chili. [Laura] went with her brother [Kevin] to the mall to buy some new candles. [Laura] took her grandfather [Harold] out to eat last Sunday after church. They had ice cream for dessert.
('Antonio', 'Harold')
[Antonio] and his wife [Tracy] made chili. [Tracy]'s son [Kevin] loves their chili. [Laura] went with her brother [Kevin] to the mall to buy some new candles. [Laura] took her grandfather [Harold] out to eat last Sunday after church. They had ice cream for dessert.
[{('Antonio', 'father', 'Harold'): [('Antonio', 'son', 'Kevin'), ('Kevin', 'grandfather', 'Harold')]}, {('Kevin', 'grandfather', 'Harold'): [('Kevin', 'sister', 'Laura'), ('Laura', 'grandfather', 'Harold')]}, {('Antonio', 'son', 'Kevin'): [('Antonio', 'wife', 'Tracy'), ('Tracy', 'son', 'Kevin')]}]
['wife', 'son', 'sister', 'grandfather']