[David] took her son, [Brandon], to go get baked goods from the local bakery. [Brandon]'s uncle, [Francisco], stubbed his toe. [Brandon] told him he should be more careful. [Francisco] asked his father, [James], to help him with his math homework. [James] could n't, because he was lousy at math himself.
('David', 'James')
[David] took her son, [Brandon], to go get baked goods from the local bakery. [Brandon]'s uncle, [Francisco], stubbed his toe. [Brandon] told him he should be more careful. [Francisco] asked his father, [James], to help him with his math homework. [James] could n't, because he was lousy at math himself.
[{('David', 'father', 'James'): [('David', 'brother', 'Francisco'), ('Francisco', 'father', 'James')]}, {('David', 'brother', 'Francisco'): [('David', 'son', 'Brandon'), ('Brandon', 'uncle', 'Francisco')]}]
['son', 'uncle', 'father']