[Wayne] was so excited to introduce his new girlfriend to his mother, [Cindy]. [Lena] was talking about food with her sister [Cindy]. [Frances] fixed a big dinner on Sunday and invited her grandson [Wayne]. He came and stayed a few hours.
('Lena', 'Frances')
[Lena] was talking about food with her sister [Cindy]. [Wayne] was so excited to introduce his new girlfriend to his mother, [Cindy]. [Frances] fixed a big dinner on Sunday and invited her grandson [Wayne]. He came and stayed a few hours.
[{('Lena', 'mother', 'Frances'): [('Lena', 'sister', 'Cindy'), ('Cindy', 'mother', 'Frances')]}, {('Cindy', 'mother', 'Frances'): [('Cindy', 'son', 'Wayne'), ('Wayne', 'grandmother', 'Frances')]}]
['sister', 'son', 'grandmother']