[Wesley] took his daughter [Martha] to softball practie. [Chris] is a son of the proud [Wesley]. [James] is [Chris]'s proud grandfather
('Martha', 'James')
[Wesley] took his daughter [Martha] to softball practie. [Chris] is a son of the proud [Wesley]. [James] is [Chris]'s proud grandfather
[{('Martha', 'grandfather', 'James'): [('Martha', 'father', 'Wesley'), ('Wesley', 'father', 'James')]}, {('Wesley', 'father', 'James'): [('Wesley', 'son', 'Chris'), ('Chris', 'grandfather', 'James')]}]
['father', 'son', 'grandfather']