[Ashley] and her husband, [Clarence], went to visit [Dennis] at college. [Clarence] could n't wait to see how his grandson was doing in his first year.
('Ashley', 'Dennis')
[Ashley] and her husband, [Clarence], went to visit [Dennis] at college. [Clarence] could n't wait to see how his grandson was doing in his first year.
[{('Ashley', 'grandson', 'Dennis'): [('Ashley', 'husband', 'Clarence'), ('Clarence', 'grandson', 'Dennis')]}]
['husband', 'grandson']