[Elsie] took her sister [Michelle] out on a picnic. They went to invite [Angelica] as well. When they got to [Angelica]'s house, [Angelica] asked [Elsie] how their dad [Robert] was doing. [Allan] loves to play baseball with his dad, [Robert].
('Michelle', 'Allan')
[Elsie] took her sister [Michelle] out on a picnic. They went to invite [Angelica] as well. When they got to [Angelica]'s house, [Angelica] asked [Elsie] how their dad [Robert] was doing. [Allan] loves to play baseball with his dad, [Robert].
[{('Michelle', 'brother', 'Allan'): [('Michelle', 'sister', 'Angelica'), ('Angelica', 'brother', 'Allan')]}, {('Michelle', 'sister', 'Angelica'): [('Michelle', 'sister', 'Elsie'), ('Elsie', 'sister', 'Angelica')]}, {('Angelica', 'brother', 'Allan'): [('Angelica', 'father', 'Robert'), ('Robert', 'son', 'Allan')]}]
['sister', 'sister', 'father', 'son']