[Jacob] went to visit his sister [Linda] to the hospital last week. [Linda] took her father [Wayne] to watch a movie together.
('Jacob', 'Wayne')
[Jacob] went to visit his sister [Linda] to the hospital last week. [Linda] took her father [Wayne] to watch a movie together.
[{('Jacob', 'father', 'Wayne'): [('Jacob', 'sister', 'Linda'), ('Linda', 'father', 'Wayne')]}]
['sister', 'father']