[Paul] and his father [Louis] took one of their dogs out for a walk. [Louis]'s son [Samuel] went with them and brought granola bars. [Beverly] sent [Paul], her son, with water bottles for them.. [Samuel] is the great aunt of the marvelous [Tracy].
('Beverly', 'Tracy')
[Paul] and his father [Louis] took one of their dogs out for a walk. [Louis]'s son [Samuel] went with them and brought granola bars. [Beverly] sent [Paul], her son, with water bottles for them.. [Samuel] is the great aunt of the marvelous [Tracy].
[{('Beverly', 'sister', 'Tracy'): [('Beverly', 'son', 'Samuel'), ('Samuel', 'aunt', 'Tracy')]}, {('Beverly', 'son', 'Samuel'): [('Beverly', 'son', 'Paul'), ('Paul', 'brother', 'Samuel')]}, {('Paul', 'brother', 'Samuel'): [('Paul', 'father', 'Louis'), ('Louis', 'son', 'Samuel')]}]
['son', 'father', 'son', 'aunt']