[Pete] and his brother [Leonard] like to go to the movies every weekend. [Anna] has started to accompany her brother [Leonard] to the movies whenever he goes. [Anna] is a woman with a sister named [Wilhelmina].
('Wilhelmina', 'Pete')
[Anna] is a woman with a sister named [Wilhelmina]. [Pete] and his brother [Leonard] like to go to the movies every weekend. [Anna] has started to accompany her brother [Leonard] to the movies whenever he goes.
[{('Wilhelmina', 'brother', 'Pete'): [('Wilhelmina', 'brother', 'Leonard'), ('Leonard', 'brother', 'Pete')]}, {('Wilhelmina', 'brother', 'Leonard'): [('Wilhelmina', 'sister', 'Anna'), ('Anna', 'brother', 'Leonard')]}]
['sister', 'brother', 'brother']