[James] took his granddaughter [Pamela] to the zoo, but [Pamela]'s sister [Martha] could n't go with them because she had the flu. [Wesley] is very happy to have such a great daughter like [Martha].
('Wesley', 'James')
[Wesley] is very happy to have such a great daughter like [Martha]. [James] took his granddaughter [Pamela] to the zoo, but [Pamela]'s sister [Martha] could n't go with them because she had the flu.
[{('Wesley', 'father', 'James'): [('Wesley', 'daughter', 'Pamela'), ('Pamela', 'grandfather', 'James')]}, {('Wesley', 'daughter', 'Pamela'): [('Wesley', 'daughter', 'Martha'), ('Martha', 'sister', 'Pamela')]}]
['daughter', 'sister', 'grandfather']