[Cindy]'s son called [Leonard] is good and intelligent boy [Leonard] asked his father, [Francisco], to help him with his math homework. [Francisco] could n't, because he was lousy at math himself. [Lynn]'s brother, [Francisco], was getting ready to start a new job. [Lynn] was very happy for him.
('Cindy', 'Lynn')
[Cindy]'s son called [Leonard] is good and intelligent boy [Leonard] asked his father, [Francisco], to help him with his math homework. [Francisco] could n't, because he was lousy at math himself. [Lynn]'s brother, [Francisco], was getting ready to start a new job. [Lynn] was very happy for him.
[{('Cindy', 'sister', 'Lynn'): [('Cindy', 'son', 'Leonard'), ('Leonard', 'aunt', 'Lynn')]}, {('Leonard', 'aunt', 'Lynn'): [('Leonard', 'father', 'Francisco'), ('Francisco', 'sister', 'Lynn')]}]
['son', 'father', 'sister']