[Richard] asked his mom [Cindy] if she would bake him a cake. [Cindy] told him she would n't, because [Richard] was getting fat and did n't need the extra calories. [Cindy] has been waiting around all day for her son, [Leonard]. [Leonard] asked his uncle [Hugh] with some help with his homework. [Hugh] stopped what he was doing, and helped.
('Richard', 'Hugh')
[Richard] asked his mom [Cindy] if she would bake him a cake. [Cindy] told him she would n't, because [Richard] was getting fat and did n't need the extra calories. [Cindy] has been waiting around all day for her son, [Leonard]. [Leonard] asked his uncle [Hugh] with some help with his homework. [Hugh] stopped what he was doing, and helped.
[{('Richard', 'uncle', 'Hugh'): [('Richard', 'mother', 'Cindy'), ('Cindy', 'brother', 'Hugh')]}, {('Cindy', 'brother', 'Hugh'): [('Cindy', 'son', 'Leonard'), ('Leonard', 'uncle', 'Hugh')]}]
['mother', 'son', 'uncle']