[Ronald] and kyle are brothers. They went out to eat with [Allan]'s sister [Angelica]. [Beverly] and her brother [Robert] were having a wonderful time at Disneyland. [Robert]'s son, [Ronald], was ill and needed to be picked up at school. [Robert] hurried to his side.
('Beverly', 'Angelica')
[Beverly] and her brother [Robert] were having a wonderful time at Disneyland. [Robert]'s son, [Ronald], was ill and needed to be picked up at school. [Robert] hurried to his side. [Ronald] and kyle are brothers. They went out to eat with [Allan]'s sister [Angelica].
[{('Beverly', 'niece', 'Angelica'): [('Beverly', 'brother', 'Robert'), ('Robert', 'daughter', 'Angelica')]}, {('Robert', 'daughter', 'Angelica'): [('Robert', 'son', 'Ronald'), ('Ronald', 'sister', 'Angelica')]}, {('Ronald', 'sister', 'Angelica'): [('Ronald', 'brother', 'Allan'), ('Allan', 'sister', 'Angelica')]}]
['brother', 'son', 'brother', 'sister']