[Louis] has a brother named [Antonio] and a sister named [Beverly]. [Marie]'s brother [Louis] was going to be the star in the new show. [Marie] is the mother of a son named [John].
('John', 'Beverly')
[Marie] is the mother of a son named [John]. [Marie]'s brother [Louis] was going to be the star in the new show. [Louis] has a brother named [Antonio] and a sister named [Beverly].
[{('John', 'aunt', 'Beverly'): [('John', 'mother', 'Marie'), ('Marie', 'sister', 'Beverly')]}, {('Marie', 'sister', 'Beverly'): [('Marie', 'brother', 'Antonio'), ('Antonio', 'sister', 'Beverly')]}, {('Marie', 'brother', 'Antonio'): [('Marie', 'brother', 'Louis'), ('Louis', 'brother', 'Antonio')]}]
['mother', 'brother', 'brother', 'sister']