[Michael]'s grandfather [Harold] and brother [Wayne] all went to a hockey game after dinner. [Louis] made a grilled cheese for his son [Paul]. [Paul]'s brother [Wayne] ate a salad.
('Louis', 'Harold')
[Louis] made a grilled cheese for his son [Paul]. [Paul]'s brother [Wayne] ate a salad. [Michael]'s grandfather [Harold] and brother [Wayne] all went to a hockey game after dinner.
[{('Louis', 'father', 'Harold'): [('Louis', 'son', 'Paul'), ('Paul', 'grandfather', 'Harold')]}, {('Paul', 'grandfather', 'Harold'): [('Paul', 'brother', 'Wayne'), ('Wayne', 'grandfather', 'Harold')]}, {('Wayne', 'grandfather', 'Harold'): [('Wayne', 'brother', 'Michael'), ('Michael', 'grandfather', 'Harold')]}]
['son', 'brother', 'brother', 'grandfather']