[Martha] was talking about food with her sister [Pamela]. [Martha] and her mother [Lena] went to volunteer at the homeless shelter last weekend. [Pamela] celebrated her anniversary with her husband [Theodore].
('Lena', 'Theodore')
[Martha] and her mother [Lena] went to volunteer at the homeless shelter last weekend. [Martha] was talking about food with her sister [Pamela]. [Pamela] celebrated her anniversary with her husband [Theodore].
[{('Lena', 'son-in-law', 'Theodore'): [('Lena', 'daughter', 'Pamela'), ('Pamela', 'husband', 'Theodore')]}, {('Lena', 'daughter', 'Pamela'): [('Lena', 'daughter', 'Martha'), ('Martha', 'sister', 'Pamela')]}]
['daughter', 'sister', 'husband']