[Antonio] tripped his brother [Louis] in the living room. [Antonio] went his brother to pick up his brother's daughter [Annie] from a birthday party. [Pedro]'s daughter, [Rebecca], wanted to get a nice gift for her sister, [Annie].
('Pedro', 'Louis')
[Pedro]'s daughter, [Rebecca], wanted to get a nice gift for her sister, [Annie]. [Antonio] went his brother to pick up his brother's daughter [Annie] from a birthday party. [Antonio] tripped his brother [Louis] in the living room.
[{('Pedro', 'brother', 'Louis'): [('Pedro', 'brother', 'Antonio'), ('Antonio', 'brother', 'Louis')]}, {('Pedro', 'brother', 'Antonio'): [('Pedro', 'daughter', 'Annie'), ('Annie', 'uncle', 'Antonio')]}, {('Pedro', 'daughter', 'Annie'): [('Pedro', 'daughter', 'Rebecca'), ('Rebecca', 'sister', 'Annie')]}]
['daughter', 'sister', 'uncle', 'brother']