[Harold] loves spending time with his grandson [Mario]. [Mario] and [Harold] go the the park a lot. [Harold] took his wife, [Shantel], out to see a play. [Shantel]'s daughter, [Tracy], stayed home to do homework. [Mario] asked his son, [Robert], to help paint his house.
('Robert', 'Tracy')
[Mario] asked his son, [Robert], to help paint his house. [Harold] loves spending time with his grandson [Mario]. [Mario] and [Harold] go the the park a lot. [Harold] took his wife, [Shantel], out to see a play. [Shantel]'s daughter, [Tracy], stayed home to do homework.
[{('Robert', 'sister', 'Tracy'): [('Robert', 'father', 'Harold'), ('Harold', 'daughter', 'Tracy')]}, {('Harold', 'daughter', 'Tracy'): [('Harold', 'wife', 'Shantel'), ('Shantel', 'daughter', 'Tracy')]}, {('Robert', 'father', 'Harold'): [('Robert', 'son', 'Mario'), ('Mario', 'grandfather', 'Harold')]}]
['son', 'grandfather', 'wife', 'daughter']