[Martha] and her daughter [Laura] went shopping together last Monday and they bought new shoes for [Martha]'s kids. [Martha] is so proud that [Roy], his father, quit smoking.
('Laura', 'Roy')
[Martha] and her daughter [Laura] went shopping together last Monday and they bought new shoes for [Martha]'s kids. [Martha] is so proud that [Roy], his father, quit smoking.
[{('Laura', 'grandfather', 'Roy'): [('Laura', 'mother', 'Martha'), ('Martha', 'father', 'Roy')]}]