[Rich] and her sister [Katherine] decided to take a trip to Mexico together. [Bret]'s father [John] is going to coach the team this year. [Katherine] is weary of her son [Bret]'s behaviour. He is often in trouble at school.
('John', 'Rich')
[Bret]'s father [John] is going to coach the team this year. [Katherine] is weary of her son [Bret]'s behaviour. He is often in trouble at school. [Rich] and her sister [Katherine] decided to take a trip to Mexico together.
[{('John', 'brother', 'Rich'): [('John', 'son', 'Bret'), ('Bret', 'uncle', 'Rich')]}, {('Bret', 'uncle', 'Rich'): [('Bret', 'mother', 'Katherine'), ('Katherine', 'brother', 'Rich')]}]