[Robert] and his brother [Pedro] were playing tag in the park. [Beverly] is on her way to visit her daughter [Nicole]'s new house. [Beverly]'s husband [Louis] is out of town and wo n't be going with her. [Louis] needed someone to help him move out of his dorm last May. He asked his brother [Pedro] and he said he would help him.
('Robert', 'Nicole')
[Robert] and his brother [Pedro] were playing tag in the park. [Louis] needed someone to help him move out of his dorm last May. He asked his brother [Pedro] and he said he would help him. [Beverly] is on her way to visit her daughter [Nicole]'s new house. [Beverly]'s husband [Louis] is out of town and wo n't be going with her.
[{('Robert', 'niece', 'Nicole'): [('Robert', 'brother', 'Louis'), ('Louis', 'daughter', 'Nicole')]}, {('Robert', 'brother', 'Louis'): [('Robert', 'brother', 'Pedro'), ('Pedro', 'brother', 'Louis')]}, {('Louis', 'daughter', 'Nicole'): [('Louis', 'wife', 'Beverly'), ('Beverly', 'daughter', 'Nicole')]}]
['brother', 'brother', 'wife', 'daughter']