[Joshua] took his daughter [Andrea] to the zoo for her birthday. Then they went to go get some ice cream. [Andrea] took her mother, [Lynn], out for lunch. [Lynn] and her father [James] went to the park. They had a wonderful time there, feeding the ducks.
('Joshua', 'James')
[Joshua] took his daughter [Andrea] to the zoo for her birthday. Then they went to go get some ice cream. [Andrea] took her mother, [Lynn], out for lunch. [Lynn] and her father [James] went to the park. They had a wonderful time there, feeding the ducks.
[{('Joshua', 'father', 'James'): [('Joshua', 'daughter', 'Andrea'), ('Andrea', 'grandfather', 'James')]}, {('Andrea', 'grandfather', 'James'): [('Andrea', 'mother', 'Lynn'), ('Lynn', 'father', 'James')]}]
['daughter', 'mother', 'father']