[Roy] took his grandson [Brent] out for ice-cream. [Mary] and [Roy] have been happily married for seven years, and are looking forward to another seventy together.
('Mary', 'Brent')
[Mary] and [Roy] have been happily married for seven years, and are looking forward to another seventy together. [Roy] took his grandson [Brent] out for ice-cream.
[{('Mary', 'grandson', 'Brent'): [('Mary', 'husband', 'Roy'), ('Roy', 'grandson', 'Brent')]}]