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