[George] and his wife [Lillian] made fresh bread for lunch. [Clarence], [George]'s father, came over and brought salad to share.
('Lillian', 'Clarence')
[George] and his wife [Lillian] made fresh bread for lunch. [Clarence], [George]'s father, came over and brought salad to share.
[{('Lillian', 'father-in-law', 'Clarence'): [('Lillian', 'husband', 'George'), ('George', 'father', 'Clarence')]}]
['husband', 'father']