[Tracy] talks to her sister [Dorothy] on the phone each night before bed. [Louis] is lucky if he talks to his sister [Tracy] once a month. After leaving his mom [Shantel]'s house [Robert] called his sister [Dorothy].
('Shantel', 'Louis')
After leaving his mom [Shantel]'s house [Robert] called his sister [Dorothy]. [Tracy] talks to her sister [Dorothy] on the phone each night before bed. [Louis] is lucky if he talks to his sister [Tracy] once a month.
[{('Shantel', 'son', 'Louis'): [('Shantel', 'daughter', 'Tracy'), ('Tracy', 'brother', 'Louis')]}, {('Shantel', 'daughter', 'Tracy'): [('Shantel', 'son', 'Robert'), ('Robert', 'sister', 'Tracy')]}, {('Robert', 'sister', 'Tracy'): [('Robert', 'sister', 'Dorothy'), ('Dorothy', 'sister', 'Tracy')]}]
['son', 'sister', 'sister', 'brother']