Worker: [Amy]'s son [Glen] was very close to her. [Mary] was jealous of their relationship, and wished her mom would spend more time with her.
('Mary', 'Glen')
Worker: [Amy]'s son [Glen] was very close to her. [Mary] was jealous of their relationship, and wished her mom would spend more time with her.
[{('Mary', 'brother', 'Glen'): [('Mary', 'mother', 'Amy'), ('Amy', 'son', 'Glen')]}]
['mother', 'son']