[Michael] wanted to get a good gift for his sister, [Marie] [David] loves cooking for her son. His name is [Bobby]. [Bobby] and his brother [Michael] both played soccer. [Bobby] was faster, but [Michael] had a better shot, so they complemented each other well.
('David', 'Marie')
[David] loves cooking for her son. His name is [Bobby]. [Bobby] and his brother [Michael] both played soccer. [Bobby] was faster, but [Michael] had a better shot, so they complemented each other well. [Michael] wanted to get a good gift for his sister, [Marie]
[{('David', 'daughter', 'Marie'): [('David', 'son', 'Michael'), ('Michael', 'sister', 'Marie')]}, {('David', 'son', 'Michael'): [('David', 'son', 'Bobby'), ('Bobby', 'brother', 'Michael')]}]
['son', 'brother', 'sister']