[Michael] and his brother [Wayne] went to the arcade. They had a wonderful time. [Jennifer] met her brother, [Wayne], for dinner. [Wayne] was sad his father, [Beverly], could n't be there. [Jennifer] was playing in the sandbox with her brother [Wayne].
('Beverly', 'Michael')
[Jennifer] met her brother, [Wayne], for dinner. [Wayne] was sad his father, [Beverly], could n't be there. [Jennifer] was playing in the sandbox with her brother [Wayne]. [Michael] and his brother [Wayne] went to the arcade. They had a wonderful time.
[{('Beverly', 'son', 'Michael'): [('Beverly', 'daughter', 'Jennifer'), ('Jennifer', 'brother', 'Michael')]}, {('Jennifer', 'brother', 'Michael'): [('Jennifer', 'brother', 'Wayne'), ('Wayne', 'brother', 'Michael')]}, {('Beverly', 'daughter', 'Jennifer'): [('Beverly', 'son', 'Wayne'), ('Wayne', 'sister', 'Jennifer')]}]
['son', 'sister', 'brother', 'brother']