[Hugh] and her sister [Cindy] decided to take a trip to Mexico together. [Joshua] and his brother [Hugh] decided to play paintball on Saturday. [Joshua]'s son is [Don]. [Don] and his father always go fishing together on Sundays and have a great time together.
('Cindy', 'Don')
[Hugh] and her sister [Cindy] decided to take a trip to Mexico together. [Joshua] and his brother [Hugh] decided to play paintball on Saturday. [Joshua]'s son is [Don]. [Don] and his father always go fishing together on Sundays and have a great time together.
[{('Cindy', 'nephew', 'Don'): [('Cindy', 'brother', 'Joshua'), ('Joshua', 'son', 'Don')]}, {('Cindy', 'brother', 'Joshua'): [('Cindy', 'brother', 'Hugh'), ('Hugh', 'brother', 'Joshua')]}]
['brother', 'brother', 'son']