[Harold] told his daughter, [Beverly], to clean her room. [Beverly] complained to her sister, [Tracy], about having to clean her room. [Tracy] and her brother [Robert] went to the department store. [Allan], [Robert]'s son, came with them.
('Harold', 'Allan')
[Harold] told his daughter, [Beverly], to clean her room. [Beverly] complained to her sister, [Tracy], about having to clean her room. [Tracy] and her brother [Robert] went to the department store. [Allan], [Robert]'s son, came with them.
[{('Harold', 'grandson', 'Allan'): [('Harold', 'son', 'Robert'), ('Robert', 'son', 'Allan')]}, {('Harold', 'son', 'Robert'): [('Harold', 'daughter', 'Tracy'), ('Tracy', 'brother', 'Robert')]}, {('Harold', 'daughter', 'Tracy'): [('Harold', 'daughter', 'Beverly'), ('Beverly', 'sister', 'Tracy')]}]
['daughter', 'sister', 'brother', 'son']