[Emily] and her husband [Dennis] were working in the garden when [Amy], [Emily]'s mother, came over and offered to help.
('Amy', 'Dennis')
[Emily] and her husband [Dennis] were working in the garden when [Amy], [Emily]'s mother, came over and offered to help.
[{('Amy', 'son-in-law', 'Dennis'): [('Amy', 'daughter', 'Emily'), ('Emily', 'husband', 'Dennis')]}]
['daughter', 'husband']