[Nancy] asked her brother [Nicholas] and her daughter [Heidi] to come over because she bought a new movie and wanted them to watch it with her.
('Heidi', 'Nicholas')
[Nancy] asked her brother [Nicholas] and her daughter [Heidi] to come over because she bought a new movie and wanted them to watch it with her.
[{('Heidi', 'uncle', 'Nicholas'): [('Heidi', 'mother', 'Nancy'), ('Nancy', 'brother', 'Nicholas')]}]
['mother', 'brother']