[Robert] made breakfast for his sons [John] and [Allan]. [Allan]'s sister [Michelle] slept in instead of having breakfast. [John] has always felt ignored in his big family. His brother [Allan] always got all the attention of their parents, who recounted his every accomplishment to all the household.
('Michelle', 'Allan')
[Robert] made breakfast for his sons [John] and [Allan]. [Allan]'s sister [Michelle] slept in instead of having breakfast. [John] has always felt ignored in his big family. His brother [Allan] always got all the attention of their parents, who recounted his every accomplishment to all the household.
[{('Michelle', 'brother', 'Allan'): [('Michelle', 'brother', 'John'), ('John', 'brother', 'Allan')]}, {('Michelle', 'brother', 'John'): [('Michelle', 'father', 'Robert'), ('Robert', 'son', 'John')]}, {('Robert', 'son', 'John'): [('Robert', 'son', 'Allan'), ('Allan', 'brother', 'John')]}]
['father', 'son', 'brother', 'brother']