[Samuel] and his brother [Michael] went out for lunch. [Samuel] had a burger, and [Michael] had a chicken sandwich. [Louis] went to the lake with his son [Michael] and his mother [Shantel]. [Beverly] took her son [Samuel] to the park for the afternoon.
('Beverly', 'Shantel')
[Beverly] took her son [Samuel] to the park for the afternoon. [Samuel] and his brother [Michael] went out for lunch. [Samuel] had a burger, and [Michael] had a chicken sandwich. [Louis] went to the lake with his son [Michael] and his mother [Shantel].
[{('Beverly', 'mother', 'Shantel'): [('Beverly', 'son', 'Michael'), ('Michael', 'grandmother', 'Shantel')]}, {('Beverly', 'son', 'Michael'): [('Beverly', 'son', 'Samuel'), ('Samuel', 'brother', 'Michael')]}, {('Michael', 'grandmother', 'Shantel'): [('Michael', 'father', 'Louis'), ('Louis', 'mother', 'Shantel')]}]
['son', 'brother', 'father', 'mother']