[Adan] and his father [John] went jogging by the lake. [Herman] helped his brother, [John], study for the chemistry exam.
('Herman', 'Adan')
[Herman] helped his brother, [John], study for the chemistry exam. [Adan] and his father [John] went jogging by the lake.
[{('Herman', 'nephew', 'Adan'): [('Herman', 'brother', 'John'), ('John', 'son', 'Adan')]}]