[Leonard] loves his mother very much. Her name is [Cindy]. [Leonard] needed someone to help him move out of his dorm last May. He asked his brother [Richard] and he said he would help him. [Cindy] loves to make cookies for her son. His name is [Pete].
('Richard', 'Pete')
[Leonard] needed someone to help him move out of his dorm last May. He asked his brother [Richard] and he said he would help him. [Leonard] loves his mother very much. Her name is [Cindy]. [Cindy] loves to make cookies for her son. His name is [Pete].
[{('Richard', 'brother', 'Pete'): [('Richard', 'brother', 'Leonard'), ('Leonard', 'brother', 'Pete')]}, {('Leonard', 'brother', 'Pete'): [('Leonard', 'mother', 'Cindy'), ('Cindy', 'son', 'Pete')]}]
['brother', 'mother', 'son']