[David] treasures her son, [Michael]. She recently attended his high school graduation and it was the proudest day of her life. [Michael] and his brother [Bobby] both played soccer. [Michael] was faster, but [Bobby] had a better shot, so they complemented each other well. [David] is a woman with a sister named [Lynn].
('Lynn', 'Bobby')
[David] is a woman with a sister named [Lynn]. [David] treasures her son, [Michael]. She recently attended his high school graduation and it was the proudest day of her life. [Michael] and his brother [Bobby] both played soccer. [Michael] was faster, but [Bobby] had a better shot, so they complemented each other well.
[{('Lynn', 'nephew', 'Bobby'): [('Lynn', 'sister', 'David'), ('David', 'son', 'Bobby')]}, {('David', 'son', 'Bobby'): [('David', 'son', 'Michael'), ('Michael', 'brother', 'Bobby')]}]
['sister', 'son', 'brother']