[Martha]'s father [Wesley] is taking her to a movie because she got good grades. [Charles] and his grandfather [James] played a game of chess together. [Charles]'s sister [Martha] watched and waited to play against the winner.
('Wesley', 'James')
[Martha]'s father [Wesley] is taking her to a movie because she got good grades. [Charles] and his grandfather [James] played a game of chess together. [Charles]'s sister [Martha] watched and waited to play against the winner.
[{('Wesley', 'father', 'James'): [('Wesley', 'daughter', 'Martha'), ('Martha', 'grandfather', 'James')]}, {('Martha', 'grandfather', 'James'): [('Martha', 'brother', 'Charles'), ('Charles', 'grandfather', 'James')]}]
['daughter', 'brother', 'grandfather']