[Glenna] went shoe shopping with her sister [Mary]. [Mary] bought gifts for her grandfather [Adam] and her sister [Amanda] when she went to the mall.
[Mary] bought gifts for her grandfather [Adam] and her sister [Amanda] when she went to the mall.
[{('Adam', 'granddaughter', 'Amanda'): [('Adam', 'granddaughter', 'Mary'), ('Mary', 'sister', 'Amanda')]}]