[Annie] is getting married. She is looking forward to her sister, [Heather], attending. They have n't seen each other since [Heather] relocated to California with her husband 3 years ago. [Cheryl] made her grandfather, [Harold], proud by winning an essay competition. [Cheryl]'s sister, [Annie], bought her flowers as a reward. [Annie] took her younger sister [Heather] to the carnival last weekend.
('Harold', 'Annie')
[Cheryl] made her grandfather, [Harold], proud by winning an essay competition. [Cheryl]'s sister, [Annie], bought her flowers as a reward. [Annie] is getting married. She is looking forward to her sister, [Heather], attending. They have n't seen each other since [Heather] relocated to California with her husband 3 years ago. [Annie] took her younger sister [Heather] to the carnival last weekend.
[{('Harold', 'granddaughter', 'Annie'): [('Harold', 'granddaughter', 'Heather'), ('Heather', 'sister', 'Annie')]}, {('Harold', 'granddaughter', 'Heather'): [('Harold', 'granddaughter', 'Cheryl'), ('Cheryl', 'sister', 'Heather')]}, {('Cheryl', 'sister', 'Heather'): [('Cheryl', 'sister', 'Annie'), ('Annie', 'sister', 'Heather')]}]
['granddaughter', 'sister', 'sister', 'sister']