[Lillian]'s daughter, [April], asked her mom to read her a story. [Janet] was sewing a sweater for her sister [April].
('Lillian', 'Janet')
[Lillian]'s daughter, [April], asked her mom to read her a story. [Janet] was sewing a sweater for her sister [April].
[{('Lillian', 'daughter', 'Janet'): [('Lillian', 'daughter', 'April'), ('April', 'sister', 'Janet')]}]
['daughter', 'sister']