[Wayne] asked his father, [Louis], to help him with his math homework. [Louis] could n't, because he was lousy at math himself. [Beverly] sat anxiously in the airport terminal, waiting to see her son [Wayne] walk through the gate. [Tracy] and her mother [Shantel] attended a play at the theater. [Louis]'s mother, [Shantel], was worried about him. He had n't been eating.
('Beverly', 'Tracy')
[Beverly] sat anxiously in the airport terminal, waiting to see her son [Wayne] walk through the gate. [Wayne] asked his father, [Louis], to help him with his math homework. [Louis] could n't, because he was lousy at math himself. [Louis]'s mother, [Shantel], was worried about him. He had n't been eating. [Tracy] and her mother [Shantel] attended a play at the theater.
[{('Beverly', 'sister', 'Tracy'): [('Beverly', 'son', 'Wayne'), ('Wayne', 'aunt', 'Tracy')]}, {('Wayne', 'aunt', 'Tracy'): [('Wayne', 'father', 'Louis'), ('Louis', 'sister', 'Tracy')]}, {('Louis', 'sister', 'Tracy'): [('Louis', 'mother', 'Shantel'), ('Shantel', 'daughter', 'Tracy')]}]
['son', 'father', 'mother', 'daughter']