Worker: [Marie]'s son [Ronald] was very close to her. [Angelica] was jealous of their relationship, and wished her mom would spend more time with her. [Allan] and his sister [Angelica] were twins. Still, they did n't look very much alike. [Ronald]'s dad [Robert] is the CEO of the company.
('Allan', 'Robert')
[Allan] and his sister [Angelica] were twins. Still, they did n't look very much alike. Worker: [Marie]'s son [Ronald] was very close to her. [Angelica] was jealous of their relationship, and wished her mom would spend more time with her. [Ronald]'s dad [Robert] is the CEO of the company.
[{('Allan', 'father', 'Robert'): [('Allan', 'brother', 'Ronald'), ('Ronald', 'father', 'Robert')]}, {('Allan', 'brother', 'Ronald'): [('Allan', 'mother', 'Marie'), ('Marie', 'son', 'Ronald')]}, {('Allan', 'mother', 'Marie'): [('Allan', 'sister', 'Angelica'), ('Angelica', 'mother', 'Marie')]}]
['sister', 'mother', 'son', 'father']