[Tracy] invited her daughter, [Laura], and her son, [Kevin], out to tea. [Kevin] called his sister, [Erika], to tell her about it. [Shantel] took her granddaughter [Erika] out to play near the lake.
('Shantel', 'Laura')
[Shantel] took her granddaughter [Erika] out to play near the lake. [Tracy] invited her daughter, [Laura], and her son, [Kevin], out to tea. [Kevin] called his sister, [Erika], to tell her about it.
[{('Shantel', 'granddaughter', 'Laura'): [('Shantel', 'granddaughter', 'Erika'), ('Erika', 'sister', 'Laura')]}, {('Erika', 'sister', 'Laura'): [('Erika', 'mother', 'Tracy'), ('Tracy', 'daughter', 'Laura')]}, {('Erika', 'mother', 'Tracy'): [('Erika', 'brother', 'Kevin'), ('Kevin', 'mother', 'Tracy')]}]
['granddaughter', 'brother', 'mother', 'daughter']