[Marie] is teaching her niece, [Heather] how to bake a homemade apple pie. [Pedro] has been trying all day to reach his daughter [Heather] on the phone. [Marie]'s brother [Louis] took her to the fair when she was little. [Louis] also brought his brother [Robert].
('Pedro', 'Robert')
[Pedro] has been trying all day to reach his daughter [Heather] on the phone. [Marie] is teaching her niece, [Heather] how to bake a homemade apple pie. [Marie]'s brother [Louis] took her to the fair when she was little. [Louis] also brought his brother [Robert].
[{('Pedro', 'brother', 'Robert'): [('Pedro', 'brother', 'Louis'), ('Louis', 'brother', 'Robert')]}, {('Pedro', 'brother', 'Louis'): [('Pedro', 'sister', 'Marie'), ('Marie', 'brother', 'Louis')]}, {('Pedro', 'sister', 'Marie'): [('Pedro', 'daughter', 'Heather'), ('Heather', 'aunt', 'Marie')]}]
['daughter', 'aunt', 'brother', 'brother']