[Cindy] had to pick her son [Wayne] up from school because the schools' bus was broke down. [Frances] bought a new video game for her grandson [Wayne]. [Cindy] read her son [Leonard] a bedtime story every night.
('Frances', 'Leonard')
[Frances] bought a new video game for her grandson [Wayne]. [Cindy] had to pick her son [Wayne] up from school because the schools' bus was broke down. [Cindy] read her son [Leonard] a bedtime story every night.
[{('Frances', 'grandson', 'Leonard'): [('Frances', 'grandson', 'Wayne'), ('Wayne', 'brother', 'Leonard')]}, {('Wayne', 'brother', 'Leonard'): [('Wayne', 'mother', 'Cindy'), ('Cindy', 'son', 'Leonard')]}]
['grandson', 'mother', 'son']