[Joshua] and his sister [David] stood in line at the fair. [Francisco] does not know he has a son named [Richard]. [David] took her nephew, [Richard], to go feed the ducks at the park.
('Francisco', 'Joshua')
[Francisco] does not know he has a son named [Richard]. [David] took her nephew, [Richard], to go feed the ducks at the park. [Joshua] and his sister [David] stood in line at the fair.
[{('Francisco', 'brother', 'Joshua'): [('Francisco', 'sister', 'David'), ('David', 'brother', 'Joshua')]}, {('Francisco', 'sister', 'David'): [('Francisco', 'son', 'Richard'), ('Richard', 'aunt', 'David')]}]
['son', 'aunt', 'brother']