[Ernest] is a sibling of [Herman]. [Guy]'s father [Herman] is going to coach the team this year.
('Ernest', 'Guy')
[Ernest] is a sibling of [Herman]. [Guy]'s father [Herman] is going to coach the team this year.
[{('Ernest', 'nephew', 'Guy'): [('Ernest', 'brother', 'Herman'), ('Herman', 'son', 'Guy')]}]