[Rich] took his son [Keith] out for ice cream. [Rich]'s son [Dale], was still in school. [Michelle]'s son, [Dale], recently started a pawn shop.
('Michelle', 'Keith')
[Michelle]'s son, [Dale], recently started a pawn shop. [Rich] took his son [Keith] out for ice cream. [Rich]'s son [Dale], was still in school.
[{('Michelle', 'son', 'Keith'): [('Michelle', 'son', 'Dale'), ('Dale', 'brother', 'Keith')]}, {('Dale', 'brother', 'Keith'): [('Dale', 'father', 'Rich'), ('Rich', 'son', 'Keith')]}]