[Harold] invited his daughter [Tracy] to dinner. [Erika], who is Effie´s daughter also went with them. [Robert] often goes out for lunch with his sister, [Beverly]. [Erika] went over to her uncle [Robert]'s house for dinner. [Robert] was a gourmet cook, and tonight he made a delicious crown of lamb.
('Harold', 'Beverly')
[Harold] invited his daughter [Tracy] to dinner. [Erika], who is Effie´s daughter also went with them. [Erika] went over to her uncle [Robert]'s house for dinner. [Robert] was a gourmet cook, and tonight he made a delicious crown of lamb. [Robert] often goes out for lunch with his sister, [Beverly].
[{('Harold', 'daughter', 'Beverly'): [('Harold', 'son', 'Robert'), ('Robert', 'sister', 'Beverly')]}, {('Harold', 'son', 'Robert'): [('Harold', 'daughter', 'Tracy'), ('Tracy', 'brother', 'Robert')]}, {('Tracy', 'brother', 'Robert'): [('Tracy', 'daughter', 'Erika'), ('Erika', 'uncle', 'Robert')]}]
['daughter', 'daughter', 'uncle', 'sister']