[Beverly] asked her brother, [Robert], why he was upset. [Robert] told her his daughter, [Michelle], was very ill. [Elsie] and [Michelle] are sisters who have one brother named [Allan].
('Beverly', 'Elsie')
[Beverly] asked her brother, [Robert], why he was upset. [Robert] told her his daughter, [Michelle], was very ill. [Elsie] and [Michelle] are sisters who have one brother named [Allan].
[{('Beverly', 'niece', 'Elsie'): [('Beverly', 'brother', 'Robert'), ('Robert', 'daughter', 'Elsie')]}, {('Robert', 'daughter', 'Elsie'): [('Robert', 'son', 'Allan'), ('Allan', 'sister', 'Elsie')]}, {('Robert', 'son', 'Allan'): [('Robert', 'daughter', 'Michelle'), ('Michelle', 'brother', 'Allan')]}]
['brother', 'daughter', 'brother', 'sister']