[Roy]'s granddaughter [Ann] asked to interview him for a school project. [Mary], [Roy]'s wife, baked cookies for them ahead of time.
('Mary', 'Ann')
[Roy]'s granddaughter [Ann] asked to interview him for a school project. [Mary], [Roy]'s wife, baked cookies for them ahead of time.
[{('Mary', 'granddaughter', 'Ann'): [('Mary', 'husband', 'Roy'), ('Roy', 'granddaughter', 'Ann')]}]