[Ernest] and his son [Thomas] were going out for lunch. [Regina] asked her father, [Ernest], if she could come too.
('Regina', 'Thomas')
[Ernest] and his son [Thomas] were going out for lunch. [Regina] asked her father, [Ernest], if she could come too.
[{('Regina', 'brother', 'Thomas'): [('Regina', 'father', 'Ernest'), ('Ernest', 'son', 'Thomas')]}]