[Ashley] was so happy when her grandson [Glen] was born. [Amy]'s son called [Glen] is good and intelligent boy
('Amy', 'Ashley')
[Amy]'s son called [Glen] is good and intelligent boy [Ashley] was so happy when her grandson [Glen] was born.
[{('Amy', 'mother', 'Ashley'): [('Amy', 'son', 'Glen'), ('Glen', 'grandmother', 'Ashley')]}]
['son', 'grandmother']