[Lynn] and her son [Clarence] went shopping to get [Lynn] 'husband [Joshua] a birthday gift yesterday. [Clarence] sent his grandmother [Frances] flowers on her birhday.
('Joshua', 'Frances')
[Lynn] and her son [Clarence] went shopping to get [Lynn] 'husband [Joshua] a birthday gift yesterday. [Clarence] sent his grandmother [Frances] flowers on her birhday.
[{('Joshua', 'mother', 'Frances'): [('Joshua', 'son', 'Clarence'), ('Clarence', 'grandmother', 'Frances')]}, {('Joshua', 'son', 'Clarence'): [('Joshua', 'wife', 'Lynn'), ('Lynn', 'son', 'Clarence')]}]
['wife', 'son', 'grandmother']