[Cindy] drove her son [Leonard] to his soccer game. [Leonard] and his brother [Pete] both played soccer. [Leonard] was faster, but [Pete] had a better shot, so they complemented each other well. [Joshua] and his sister [Cindy] were hoping for a snow day.
('Joshua', 'Pete')
[Joshua] and his sister [Cindy] were hoping for a snow day. [Cindy] drove her son [Leonard] to his soccer game. [Leonard] and his brother [Pete] both played soccer. [Leonard] was faster, but [Pete] had a better shot, so they complemented each other well.
[{('Joshua', 'nephew', 'Pete'): [('Joshua', 'sister', 'Cindy'), ('Cindy', 'son', 'Pete')]}, {('Cindy', 'son', 'Pete'): [('Cindy', 'son', 'Leonard'), ('Leonard', 'brother', 'Pete')]}]
['sister', 'son', 'brother']