[Samuel] was sad to learn that his sister [Jennifer] was not going to make it to dinner like they had planned. [Louis] met his son [Samuel] for dinner. Unfortunately [Louis]'s son [Wayne] could not attend. [Harold] loves to spend time with his 5 year old grandson [Wayne].
('Harold', 'Jennifer')
[Harold] loves to spend time with his 5 year old grandson [Wayne]. [Louis] met his son [Samuel] for dinner. Unfortunately [Louis]'s son [Wayne] could not attend. [Samuel] was sad to learn that his sister [Jennifer] was not going to make it to dinner like they had planned.
[{('Harold', 'granddaughter', 'Jennifer'): [('Harold', 'grandson', 'Wayne'), ('Wayne', 'sister', 'Jennifer')]}, {('Wayne', 'sister', 'Jennifer'): [('Wayne', 'father', 'Louis'), ('Louis', 'daughter', 'Jennifer')]}, {('Louis', 'daughter', 'Jennifer'): [('Louis', 'son', 'Samuel'), ('Samuel', 'sister', 'Jennifer')]}]
['grandson', 'father', 'son', 'sister']