[Robert] and his son, [Mario], recently heard that [Harold] was in the hospital. [Mario] loves his grandfather very much, and went to visit [Harold] immediately, but [Robert] was too busy. [Beverly] loves her brother [Robert]. [Beverly] is n't too fond of her brother [Antonio] though.
('Antonio', 'Harold')
[Beverly] loves her brother [Robert]. [Beverly] is n't too fond of her brother [Antonio] though. [Robert] and his son, [Mario], recently heard that [Harold] was in the hospital. [Mario] loves his grandfather very much, and went to visit [Harold] immediately, but [Robert] was too busy.
[{('Antonio', 'father', 'Harold'): [('Antonio', 'brother', 'Robert'), ('Robert', 'father', 'Harold')]}, {('Antonio', 'brother', 'Robert'): [('Antonio', 'sister', 'Beverly'), ('Beverly', 'brother', 'Robert')]}, {('Robert', 'father', 'Harold'): [('Robert', 'son', 'Mario'), ('Mario', 'grandfather', 'Harold')]}]
['sister', 'brother', 'son', 'grandfather']