[Pedro] who is [James]'s father grounded [James] after finding out what [James] had done at school. [Marie] and her son [Allan] went to the zoo and then out to dinner yesterday. [Cheryl] could n't wait for the surprise birthday party that she was throwing for her brother [James] next weekend. [Allan] is really looking forward to a visit from his uncle [Pedro].
('Marie', 'Cheryl')
[Marie] and her son [Allan] went to the zoo and then out to dinner yesterday. [Allan] is really looking forward to a visit from his uncle [Pedro]. [Pedro] who is [James]'s father grounded [James] after finding out what [James] had done at school. [Cheryl] could n't wait for the surprise birthday party that she was throwing for her brother [James] next weekend.
[{('Marie', 'niece', 'Cheryl'): [('Marie', 'brother', 'Pedro'), ('Pedro', 'daughter', 'Cheryl')]}, {('Pedro', 'daughter', 'Cheryl'): [('Pedro', 'son', 'James'), ('James', 'sister', 'Cheryl')]}, {('Marie', 'brother', 'Pedro'): [('Marie', 'son', 'Allan'), ('Allan', 'uncle', 'Pedro')]}]
['son', 'uncle', 'son', 'sister']