[Fernando] bought a book for his father [Ernest]. [Ernest] and his daughter, [Regina] had tea.
('Regina', 'Fernando')
[Ernest] and his daughter, [Regina] had tea. [Fernando] bought a book for his father [Ernest].
[{('Regina', 'brother', 'Fernando'): [('Regina', 'father', 'Ernest'), ('Ernest', 'son', 'Fernando')]}]