[Janet] called [Andrea], her sister, to see if she wanted to go out to eat. [Ashley] is meeting her granddaughter [Andrea] at the museum
('Ashley', 'Janet')
[Ashley] is meeting her granddaughter [Andrea] at the museum [Janet] called [Andrea], her sister, to see if she wanted to go out to eat.
[{('Ashley', 'granddaughter', 'Janet'): [('Ashley', 'granddaughter', 'Andrea'), ('Andrea', 'sister', 'Janet')]}]
['granddaughter', 'sister']