[Wesley] and his daughter, [Martha] go to concerts every week. [Wesley] is one of [David]'s brothers. They have lots of fun together. [James]'s granddaughter [Martha] is coming over to visit him this afternoon.
('David', 'James')
[Wesley] is one of [David]'s brothers. They have lots of fun together. [Wesley] and his daughter, [Martha] go to concerts every week. [James]'s granddaughter [Martha] is coming over to visit him this afternoon.
[{('David', 'father', 'James'): [('David', 'brother', 'Wesley'), ('Wesley', 'father', 'James')]}, {('Wesley', 'father', 'James'): [('Wesley', 'daughter', 'Martha'), ('Martha', 'grandfather', 'James')]}]
['brother', 'daughter', 'grandfather']