[George] was very happy when his son [Jerry] married. [Jerry] and [Janet] make a great couple.
('Janet', 'George')
[George] was very happy when his son [Jerry] married. [Jerry] and [Janet] make a great couple.
[{('Janet', 'father-in-law', 'George'): [('Janet', 'husband', 'Jerry'), ('Jerry', 'father', 'George')]}]
['husband', 'father']