[Francisco]'s daughter [Wilhelmina] is a professional tennis player. [Wilhelmina]'s brother [Anna] is her manager. [Leonard] bought a book for his father [Francisco].
('Anna', 'Leonard')
[Francisco]'s daughter [Wilhelmina] is a professional tennis player. [Wilhelmina]'s brother [Anna] is her manager. [Leonard] bought a book for his father [Francisco].
[{('Anna', 'brother', 'Leonard'): [('Anna', 'father', 'Francisco'), ('Francisco', 'son', 'Leonard')]}, {('Anna', 'father', 'Francisco'): [('Anna', 'sister', 'Wilhelmina'), ('Wilhelmina', 'father', 'Francisco')]}]
['sister', 'father', 'son']