[Lynn], [Joshua]'s wife sings beautifully. He is appreciative of her voice. [Thomas] who is [Lynn]'s son made the basketball team. [Frances] who is the grandmother of [Thomas] will attend the game.
('Joshua', 'Frances')
[Lynn], [Joshua]'s wife sings beautifully. He is appreciative of her voice. [Thomas] who is [Lynn]'s son made the basketball team. [Frances] who is the grandmother of [Thomas] will attend the game.
[{('Joshua', 'mother-in-law', 'Frances'): [('Joshua', 'wife', 'Lynn'), ('Lynn', 'mother', 'Frances')]}, {('Lynn', 'mother', 'Frances'): [('Lynn', 'son', 'Thomas'), ('Thomas', 'grandmother', 'Frances')]}]
['wife', 'son', 'grandmother']