[Antonio] and his brother [Robert] went to the boxing match. [Beverly] was upset her brother [Antonio] did n't invite her. [Robert] and his son, [Allan], recently heard that [Harold] was in the hospital. [Allan] loves his grandfather very much, and went to visit [Harold] immediately, but [Robert] was too busy.
('Beverly', 'Harold')
[Antonio] and his brother [Robert] went to the boxing match. [Beverly] was upset her brother [Antonio] did n't invite her. [Robert] and his son, [Allan], recently heard that [Harold] was in the hospital. [Allan] loves his grandfather very much, and went to visit [Harold] immediately, but [Robert] was too busy.
[{('Beverly', 'father', 'Harold'): [('Beverly', 'brother', 'Antonio'), ('Antonio', 'father', 'Harold')]}, {('Antonio', 'father', 'Harold'): [('Antonio', 'brother', 'Robert'), ('Robert', 'father', 'Harold')]}, {('Robert', 'father', 'Harold'): [('Robert', 'son', 'Allan'), ('Allan', 'grandfather', 'Harold')]}]
['brother', 'brother', 'son', 'grandfather']