[Beverly] baked a cake for her son [Michael]. [Harold] took his daughter, [Tracy], and his son, [Louis], over to [Michael]'s house. [Michael] welcomed them all warmly, especially his father, [Louis].
('Beverly', 'Tracy')
[Beverly] baked a cake for her son [Michael]. [Harold] took his daughter, [Tracy], and his son, [Louis], over to [Michael]'s house. [Michael] welcomed them all warmly, especially his father, [Louis].
[{('Beverly', 'sister', 'Tracy'): [('Beverly', 'father', 'Harold'), ('Harold', 'daughter', 'Tracy')]}, {('Beverly', 'father', 'Harold'): [('Beverly', 'son', 'Michael'), ('Michael', 'grandfather', 'Harold')]}, {('Michael', 'grandfather', 'Harold'): [('Michael', 'father', 'Louis'), ('Louis', 'father', 'Harold')]}]
['son', 'father', 'father', 'daughter']