[Rebbeca] took her sister, [Ellen], out to dinner for her birthday. [Michelle] took her granddaughter [Ellen] out for ice cream. [Dana] likes to visit his sister. Her name is [Ellen].
[Michelle] took her granddaughter [Ellen] out for ice cream. [Rebbeca] took her sister, [Ellen], out to dinner for her birthday.
[{('Michelle', 'granddaughter', 'Rebbeca'): [('Michelle', 'granddaughter', 'Ellen'), ('Ellen', 'sister', 'Rebbeca')]}]