[Martha] went with her husband [Irvin] to the park to watch the sunset. [Chris] and his sister [Martha] went to brunch today at the new diner. [Wesley] is taking his son [Chris] on a camping trip for the weekend.
('Irvin', 'Wesley')
[Martha] went with her husband [Irvin] to the park to watch the sunset. [Chris] and his sister [Martha] went to brunch today at the new diner. [Wesley] is taking his son [Chris] on a camping trip for the weekend.
[{('Irvin', 'father-in-law', 'Wesley'): [('Irvin', 'wife', 'Martha'), ('Martha', 'father', 'Wesley')]}, {('Martha', 'father', 'Wesley'): [('Martha', 'brother', 'Chris'), ('Chris', 'father', 'Wesley')]}]
['wife', 'brother', 'father']