[Lynn] has a son called [Don]. Each day they go to the park after school. [Lynn] picked up her daughter [Andrea] from school early. [Don]'s grandfather [James] takes him to football games every Sunday during the season.
('Andrea', 'James')
[Lynn] picked up her daughter [Andrea] from school early. [Lynn] has a son called [Don]. Each day they go to the park after school. [Don]'s grandfather [James] takes him to football games every Sunday during the season.
[{('Andrea', 'grandfather', 'James'): [('Andrea', 'mother', 'Lynn'), ('Lynn', 'father', 'James')]}, {('Lynn', 'father', 'James'): [('Lynn', 'son', 'Don'), ('Don', 'grandfather', 'James')]}]
['mother', 'son', 'grandfather']