[Wayne] gave a birthday party for his brother [Samuel]. He called his mother [Beverly] and brother [Michael] and invited them to come. [Samuel]'s son is sick today so his mother, [Nicole], will stay home with him.
('Nicole', 'Beverly')
[Samuel]'s son is sick today so his mother, [Nicole], will stay home with him. [Wayne] gave a birthday party for his brother [Samuel]. He called his mother [Beverly] and brother [Michael] and invited them to come.
[{('Nicole', 'mother-in-law', 'Beverly'): [('Nicole', 'husband', 'Samuel'), ('Samuel', 'mother', 'Beverly')]}, {('Samuel', 'mother', 'Beverly'): [('Samuel', 'brother', 'Wayne'), ('Wayne', 'mother', 'Beverly')]}, {('Wayne', 'mother', 'Beverly'): [('Wayne', 'brother', 'Michael'), ('Michael', 'mother', 'Beverly')]}]
['husband', 'brother', 'brother', 'mother']