[George] and his son, [Jerry], went deer hunting. [Jerry]'s wife, [Janet], came along just to watch.
('Janet', 'George')
[George] and his son, [Jerry], went deer hunting. [Jerry]'s wife, [Janet], came along just to watch.
[{('Janet', 'father-in-law', 'George'): [('Janet', 'husband', 'Jerry'), ('Jerry', 'father', 'George')]}]
['husband', 'father']