[Antonio] and his brother [Robert] wanted to backpack across Europe together once they graduated college. [Antonio] and his brother [Robert] went to see a baseball game on Friday and had a great time. [Pedro] is a man with a brother named [Antonio]. [Beverly] called her brother, [Pedro], up to see how he was doing after surgery.
('Beverly', 'Antonio')
[Beverly] called her brother, [Pedro], up to see how he was doing after surgery. [Pedro] is a man with a brother named [Antonio]. [Antonio] and his brother [Robert] wanted to backpack across Europe together once they graduated college. [Antonio] and his brother [Robert] went to see a baseball game on Friday and had a great time.
[{('Beverly', 'brother', 'Antonio'): [('Beverly', 'brother', 'Robert'), ('Robert', 'brother', 'Antonio')]}, {('Beverly', 'brother', 'Robert'): [('Beverly', 'brother', 'Pedro'), ('Pedro', 'brother', 'Robert')]}, {('Pedro', 'brother', 'Robert'): [('Pedro', 'brother', 'Antonio'), ('Antonio', 'brother', 'Robert')]}]
['brother', 'brother', 'brother', 'brother']