[Ashley] asked her husband, [Clarence], what he was doing. [Clarence] told her he was writing a letter to his grandson, [Glen].
('Ashley', 'Glen')
[Ashley] asked her husband, [Clarence], what he was doing. [Clarence] told her he was writing a letter to his grandson, [Glen].
[{('Ashley', 'grandson', 'Glen'): [('Ashley', 'husband', 'Clarence'), ('Clarence', 'grandson', 'Glen')]}]
['husband', 'grandson']