[Roy] and his son [Jacob] went to the skating rink. [Jacob] wanted his son, [Michael], to go fishing with him.
('Michael', 'Roy')
[Jacob] wanted his son, [Michael], to go fishing with him. [Roy] and his son [Jacob] went to the skating rink.
[{('Michael', 'grandfather', 'Roy'): [('Michael', 'father', 'Jacob'), ('Jacob', 'father', 'Roy')]}]