[Chris]'s father's name is [Wesley]. [Chris]'s grandfather [James] is going to [Chris]'s birthday party. [Wesley]'s sister [Cindy] asked him for some help planting her garden.
('Cindy', 'James')
[Wesley]'s sister [Cindy] asked him for some help planting her garden. [Chris]'s father's name is [Wesley]. [Chris]'s grandfather [James] is going to [Chris]'s birthday party.
[{('Cindy', 'father', 'James'): [('Cindy', 'brother', 'Wesley'), ('Wesley', 'father', 'James')]}, {('Wesley', 'father', 'James'): [('Wesley', 'son', 'Chris'), ('Chris', 'grandfather', 'James')]}]
['brother', 'son', 'grandfather']