[Dennis] was sad to learn that his sister [Jennifer] was not going to make it to dinner like they had planned. [Amy] is ready to dye Easter eggs with [Jennifer]!
('Dennis', 'Amy')
[Dennis] was sad to learn that his sister [Jennifer] was not going to make it to dinner like they had planned. [Amy] is ready to dye Easter eggs with [Jennifer]!
[{('Dennis', 'mother', 'Amy'): [('Dennis', 'sister', 'Jennifer'), ('Jennifer', 'mother', 'Amy')]}]
['sister', 'mother']