[Douglas] is [Jerry]'s Brother. [Jerry] is one of [Ann]'s brothers. They have lots of fun together.
('Ann', 'Douglas')
[Jerry] is one of [Ann]'s brothers. They have lots of fun together. [Douglas] is [Jerry]'s Brother.
[{('Ann', 'brother', 'Douglas'): [('Ann', 'brother', 'Jerry'), ('Jerry', 'brother', 'Douglas')]}]
['brother', 'brother']