[Tracy] could n't wait for her father, [Harold], to see the gift she bought for him. [John] was invited to his Aunt [Dorothy]'s wedding next Spring. [Harold] took his son [Robert] to school this morning because he missed the bus. [Robert]'s son is [John]. [John] and his father always go fishing together on Sundays and have a great time together.
('Tracy', 'Dorothy')
[Tracy] could n't wait for her father, [Harold], to see the gift she bought for him. [Harold] took his son [Robert] to school this morning because he missed the bus. [Robert]'s son is [John]. [John] and his father always go fishing together on Sundays and have a great time together. [John] was invited to his Aunt [Dorothy]'s wedding next Spring.
[{('Tracy', 'sister', 'Dorothy'): [('Tracy', 'father', 'Harold'), ('Harold', 'daughter', 'Dorothy')]}, {('Harold', 'daughter', 'Dorothy'): [('Harold', 'son', 'Robert'), ('Robert', 'sister', 'Dorothy')]}, {('Robert', 'sister', 'Dorothy'): [('Robert', 'son', 'John'), ('John', 'aunt', 'Dorothy')]}]
['father', 'son', 'son', 'aunt']