[John] and his sister [Michelle] were twins. Still, they did n't look very much alike. [Marie] and her husband [Robert] were working in the garden when [Shantel], [Marie]'s mother, came over and offered to help. [John]'s father [Robert] is going to coach the team this year.
('Shantel', 'Michelle')
[Marie] and her husband [Robert] were working in the garden when [Shantel], [Marie]'s mother, came over and offered to help. [John]'s father [Robert] is going to coach the team this year. [John] and his sister [Michelle] were twins. Still, they did n't look very much alike.
[{('Shantel', 'granddaughter', 'Michelle'): [('Shantel', 'daughter', 'Marie'), ('Marie', 'daughter', 'Michelle')]}, {('Marie', 'daughter', 'Michelle'): [('Marie', 'husband', 'Robert'), ('Robert', 'daughter', 'Michelle')]}, {('Robert', 'daughter', 'Michelle'): [('Robert', 'son', 'John'), ('John', 'sister', 'Michelle')]}]
['daughter', 'husband', 'son', 'sister']