[Roberto] gave his mother [Dorothy] flowers on her birthday. [Marie] was so excited to see her sister, [Beverly]. [Beverly] and her sister, [Dorothy], could n't wait to see [Marie]'s mother, [Shantel].
('Roberto', 'Shantel')
[Roberto] gave his mother [Dorothy] flowers on her birthday. [Marie] was so excited to see her sister, [Beverly]. [Beverly] and her sister, [Dorothy], could n't wait to see [Marie]'s mother, [Shantel].
[{('Roberto', 'grandmother', 'Shantel'): [('Roberto', 'mother', 'Dorothy'), ('Dorothy', 'mother', 'Shantel')]}, {('Dorothy', 'mother', 'Shantel'): [('Dorothy', 'sister', 'Beverly'), ('Beverly', 'mother', 'Shantel')]}, {('Beverly', 'mother', 'Shantel'): [('Beverly', 'sister', 'Marie'), ('Marie', 'mother', 'Shantel')]}]
['mother', 'sister', 'sister', 'mother']