[Lillian] called her brother, [Nicholas], up to see how he was doing after surgery. [Lillian] picked up her son [Timothy] from the mall
('Timothy', 'Nicholas')
[Lillian] picked up her son [Timothy] from the mall [Lillian] called her brother, [Nicholas], up to see how he was doing after surgery.
[{('Timothy', 'uncle', 'Nicholas'): [('Timothy', 'mother', 'Lillian'), ('Lillian', 'brother', 'Nicholas')]}]
['mother', 'brother']