[Lois] took her father [Roy] to a concert Friday and her daughter [Flavia] went with them.
('Flavia', 'Roy')
[Lois] took her father [Roy] to a concert Friday and her daughter [Flavia] went with them.
[{('Flavia', 'grandfather', 'Roy'): [('Flavia', 'mother', 'Lois'), ('Lois', 'father', 'Roy')]}]