[Lena] likes going to the mall with her aunt [Gloria]. [Gloria]'s father, [Hugh], took her to school this morning. [Bobby] asked his father, [Hugh], to help him with his math homework. [Hugh] could n't, because he was lousy at math himself.
('Bobby', 'Lena')
[Bobby] asked his father, [Hugh], to help him with his math homework. [Hugh] could n't, because he was lousy at math himself. [Gloria]'s father, [Hugh], took her to school this morning. [Lena] likes going to the mall with her aunt [Gloria].
[{('Bobby', 'aunt', 'Lena'): [('Bobby', 'father', 'Hugh'), ('Hugh', 'sister', 'Lena')]}, {('Hugh', 'sister', 'Lena'): [('Hugh', 'daughter', 'Gloria'), ('Gloria', 'aunt', 'Lena')]}]
['father', 'daughter', 'aunt']