[David] took her son [Brandon] to the mall to shop for school clothes. [James] thinks the world of his grandson [Brandon]. [Francisco] wanted to get a good gift for his sister, [David]
('Francisco', 'James')
[Francisco] wanted to get a good gift for his sister, [David] [David] took her son [Brandon] to the mall to shop for school clothes. [James] thinks the world of his grandson [Brandon].
[{('Francisco', 'father', 'James'): [('Francisco', 'sister', 'David'), ('David', 'father', 'James')]}, {('David', 'father', 'James'): [('David', 'son', 'Brandon'), ('Brandon', 'grandfather', 'James')]}]
['sister', 'son', 'grandfather']