[Janet] asked her father [George] for some money to go out this weekend. [Timothy] and his sister [Janet] were twins. Still, they did n't look very much alike.
('Timothy', 'George')
[Timothy] and his sister [Janet] were twins. Still, they did n't look very much alike. [Janet] asked her father [George] for some money to go out this weekend.
[{('Timothy', 'father', 'George'): [('Timothy', 'sister', 'Janet'), ('Janet', 'father', 'George')]}]
['sister', 'father']