[Tracy] loves her brother [Pedro]. [Marie] dotes on her son [Mario]. Because of this, [Mario] is pretty spoiled. [Angelica] could n't wait for the surprise birthday party that she was throwing for her brother [Mario] next weekend. [Angelica] ca n't wait to see her favorite aunt [Tracy].
('Marie', 'Pedro')
[Marie] dotes on her son [Mario]. Because of this, [Mario] is pretty spoiled. [Angelica] could n't wait for the surprise birthday party that she was throwing for her brother [Mario] next weekend. [Angelica] ca n't wait to see her favorite aunt [Tracy]. [Tracy] loves her brother [Pedro].
[{('Marie', 'brother', 'Pedro'): [('Marie', 'sister', 'Tracy'), ('Tracy', 'brother', 'Pedro')]}, {('Marie', 'sister', 'Tracy'): [('Marie', 'daughter', 'Angelica'), ('Angelica', 'aunt', 'Tracy')]}, {('Marie', 'daughter', 'Angelica'): [('Marie', 'son', 'Mario'), ('Mario', 'sister', 'Angelica')]}]
['son', 'sister', 'aunt', 'brother']