[Mary] and her husband [Roy] went to a resort for the weekend, and had a wonderful time. [Roy] and his granddaughter [Margaret] are very excited about going to a movie premier tonight
('Mary', 'Margaret')
[Mary] and her husband [Roy] went to a resort for the weekend, and had a wonderful time. [Roy] and his granddaughter [Margaret] are very excited about going to a movie premier tonight
[{('Mary', 'granddaughter', 'Margaret'): [('Mary', 'husband', 'Roy'), ('Roy', 'granddaughter', 'Margaret')]}]