[Lois] took her sister [Constance] out for dinner to celebrate her birthday. [Constance] was ill, that's why she could n't go to school. She was with her mother [Roy] all day.
('Roy', 'Lois')
[Constance] was ill, that's why she could n't go to school. She was with her mother [Roy] all day. [Lois] took her sister [Constance] out for dinner to celebrate her birthday.
[{('Roy', 'daughter', 'Lois'): [('Roy', 'daughter', 'Constance'), ('Constance', 'sister', 'Lois')]}]