[Charles] has two kids named [Pamela] and [Wesley]. [Pamela] and [Wesley] have the same parents. [Pamela] is [Lena]'s daughter.
('Lena', 'Charles')
[Charles] has two kids named [Pamela] and [Wesley]. [Pamela] and [Wesley] have the same parents. [Pamela] is [Lena]'s daughter.
[{('Lena', 'son', 'Charles'): [('Lena', 'daughter', 'Pamela'), ('Pamela', 'brother', 'Charles')]}, {('Pamela', 'brother', 'Charles'): [('Pamela', 'father', 'Wesley'), ('Wesley', 'son', 'Charles')]}]
['daughter', 'father', 'son']