[Travis] and his wife, [Belva] just got married in Las Vegas last month. [Travis] and his father [Dale] played video games all day last Saturday.
('Belva', 'Dale')
[Travis] and his wife, [Belva] just got married in Las Vegas last month. [Travis] and his father [Dale] played video games all day last Saturday.
[{('Belva', 'father-in-law', 'Dale'): [('Belva', 'husband', 'Travis'), ('Travis', 'father', 'Dale')]}]
['husband', 'father']