[Dorothy] invited her nephew [Samuel] over for dinner one day. They also watched a movie. [Samuel]'s father [Louis] is going to coach the team this year. [Heather] is a woman with a sister named [Annie]. [Annie] and her mother [Dorothy] attended a play at the theater.
('Louis', 'Heather')
[Samuel]'s father [Louis] is going to coach the team this year. [Dorothy] invited her nephew [Samuel] over for dinner one day. They also watched a movie. [Annie] and her mother [Dorothy] attended a play at the theater. [Heather] is a woman with a sister named [Annie].
[{('Louis', 'niece', 'Heather'): [('Louis', 'sister', 'Dorothy'), ('Dorothy', 'daughter', 'Heather')]}, {('Dorothy', 'daughter', 'Heather'): [('Dorothy', 'daughter', 'Annie'), ('Annie', 'sister', 'Heather')]}, {('Louis', 'sister', 'Dorothy'): [('Louis', 'son', 'Samuel'), ('Samuel', 'aunt', 'Dorothy')]}]
['son', 'aunt', 'daughter', 'sister']