[Amy] was trying to calm down her daughter [Mary]. [Mary] was upset because her brother [Dennis] kept making fun of her.
('Dennis', 'Amy')
[Amy] was trying to calm down her daughter [Mary]. [Mary] was upset because her brother [Dennis] kept making fun of her.
[{('Dennis', 'mother', 'Amy'): [('Dennis', 'sister', 'Mary'), ('Mary', 'mother', 'Amy')]}]
['sister', 'mother']