[Kevin] played catch with his dad, [Wayne] [Wayne] was excited to surprise his wife [Nancy] with tickets to her favorite musician's concert.
('Nancy', 'Kevin')
[Wayne] was excited to surprise his wife [Nancy] with tickets to her favorite musician's concert. [Kevin] played catch with his dad, [Wayne]
[{('Nancy', 'son', 'Kevin'): [('Nancy', 'husband', 'Wayne'), ('Wayne', 'son', 'Kevin')]}]
['husband', 'son']