[Rich] is a man with a niece named [Sandy]. [Keith] bought a book for his father [Rich]. [Sandy] and her mother [Alma] went dress shopping on Saturday.
('Alma', 'Keith')
[Sandy] and her mother [Alma] went dress shopping on Saturday. [Rich] is a man with a niece named [Sandy]. [Keith] bought a book for his father [Rich].
[{('Alma', 'nephew', 'Keith'): [('Alma', 'brother', 'Rich'), ('Rich', 'son', 'Keith')]}, {('Alma', 'brother', 'Rich'): [('Alma', 'daughter', 'Sandy'), ('Sandy', 'uncle', 'Rich')]}]