[Juanita] and her husband [Clarence] took [Juanita]'s father [Joshua] and [Joshua] 'wife [Lynn] to a hockey game.
('Lynn', 'Clarence')
[Juanita] and her husband [Clarence] took [Juanita]'s father [Joshua] and [Joshua] 'wife [Lynn] to a hockey game.
[{('Lynn', 'son-in-law', 'Clarence'): [('Lynn', 'daughter', 'Juanita'), ('Juanita', 'husband', 'Clarence')]}, {('Lynn', 'daughter', 'Juanita'): [('Lynn', 'husband', 'Joshua'), ('Joshua', 'daughter', 'Juanita')]}]
['husband', 'daughter', 'husband']