[Ashley] received a wonderful hand-written letter from her grandson [Glen]. [Glen]'s sister, [Emily], was too lazy to send one though.
('Emily', 'Ashley')
[Ashley] received a wonderful hand-written letter from her grandson [Glen]. [Glen]'s sister, [Emily], was too lazy to send one though.
[{('Emily', 'grandmother', 'Ashley'): [('Emily', 'brother', 'Glen'), ('Glen', 'grandmother', 'Ashley')]}]
['brother', 'grandmother']