[Cindy] is a woman with a sister named [Lena]. [Joshua] received a letter in the mail from his sister [Lena]. When he opened it, he realized the letter was actually for his son [Thomas].
('Thomas', 'Cindy')
[Joshua] received a letter in the mail from his sister [Lena]. When he opened it, he realized the letter was actually for his son [Thomas]. [Cindy] is a woman with a sister named [Lena].
[{('Thomas', 'aunt', 'Cindy'): [('Thomas', 'father', 'Joshua'), ('Joshua', 'sister', 'Cindy')]}, {('Joshua', 'sister', 'Cindy'): [('Joshua', 'sister', 'Lena'), ('Lena', 'sister', 'Cindy')]}]
['father', 'sister', 'sister']