[Milton] hated [Nicholas], so [Milton] ran away from home. [Milton] figured [Nicholas] did n't like being hid dad anyhow. [Dennis] loves to play baseball with his dad, [Nicholas].
('Milton', 'Dennis')
[Milton] hated [Nicholas], so [Milton] ran away from home. [Milton] figured [Nicholas] did n't like being hid dad anyhow. [Dennis] loves to play baseball with his dad, [Nicholas].
[{('Milton', 'brother', 'Dennis'): [('Milton', 'father', 'Nicholas'), ('Nicholas', 'son', 'Dennis')]}]
['father', 'son']