[Lena] had to pick her son [Chris] up from school because the schools' bus was broke down. [Chris]'s father [Wesley] is going to coach the team this year. [Lena] was shopping for a new jacket with her father [James].
('Wesley', 'James')
[Chris]'s father [Wesley] is going to coach the team this year. [Lena] had to pick her son [Chris] up from school because the schools' bus was broke down. [Lena] was shopping for a new jacket with her father [James].
[{('Wesley', 'father', 'James'): [('Wesley', 'son', 'Chris'), ('Chris', 'grandfather', 'James')]}, {('Chris', 'grandfather', 'James'): [('Chris', 'mother', 'Lena'), ('Lena', 'father', 'James')]}]
['son', 'mother', 'father']