[Mary] is a loving and caring wife to [Roy]. [Roy] is [Ann] grandfather and they have great relationship.
('Mary', 'Ann')
[Mary] is a loving and caring wife to [Roy]. [Roy] is [Ann] grandfather and they have great relationship.
[{('Mary', 'granddaughter', 'Ann'): [('Mary', 'husband', 'Roy'), ('Roy', 'granddaughter', 'Ann')]}]