[Bernard] is [Amanda]'s older brother. He has never liked any of her boyfriends. [Michelle] made ice cream sundaes with her grandson [Bernard]. [Bernard]'s brother [David] was so excited.
[Michelle] made ice cream sundaes with her grandson [Bernard]. [Bernard]'s brother [David] was so excited.
[{('David', 'grandmother', 'Michelle'): [('David', 'brother', 'Bernard'), ('Bernard', 'grandmother', 'Michelle')]}]