[Clarence] has been trying all day to reach his daughter [Amy] on the phone. [Amy] has been waiting around all day for her son, [Dennis].
('Clarence', 'Dennis')
[Clarence] has been trying all day to reach his daughter [Amy] on the phone. [Amy] has been waiting around all day for her son, [Dennis].
[{('Clarence', 'grandson', 'Dennis'): [('Clarence', 'daughter', 'Amy'), ('Amy', 'son', 'Dennis')]}]
['daughter', 'son']