[Alma] and her son [Lionel] had lunch together at a local Chinese restaurant. [Matthew] was delighted to watch his son [Lionel] steal third base in the Championship baseball game. [Helen] needed to go to the store. [Helen] asked her sister [Alma] for a ride.
('Matthew', 'Helen')
[Matthew] was delighted to watch his son [Lionel] steal third base in the Championship baseball game. [Alma] and her son [Lionel] had lunch together at a local Chinese restaurant. [Helen] needed to go to the store. [Helen] asked her sister [Alma] for a ride.
[{('Matthew', 'sister', 'Helen'): [('Matthew', 'son', 'Lionel'), ('Lionel', 'aunt', 'Helen')]}, {('Lionel', 'aunt', 'Helen'): [('Lionel', 'mother', 'Alma'), ('Alma', 'sister', 'Helen')]}]