[Louis] and his brother [Antonio] watch [Louis]'s daughter [Jennifer] in her school play. [Marie] does n't like her brother [Antonio]. [Jennifer]'s uncle, [Pedro], bought her a pony. [Jennifer] is so thrilled!
('Marie', 'Pedro')
[Marie] does n't like her brother [Antonio]. [Louis] and his brother [Antonio] watch [Louis]'s daughter [Jennifer] in her school play. [Jennifer]'s uncle, [Pedro], bought her a pony. [Jennifer] is so thrilled!
[{('Marie', 'brother', 'Pedro'): [('Marie', 'brother', 'Louis'), ('Louis', 'brother', 'Pedro')]}, {('Marie', 'brother', 'Louis'): [('Marie', 'brother', 'Antonio'), ('Antonio', 'brother', 'Louis')]}, {('Louis', 'brother', 'Pedro'): [('Louis', 'daughter', 'Jennifer'), ('Jennifer', 'uncle', 'Pedro')]}]
['brother', 'brother', 'daughter', 'uncle']