[Frances] and her son, [Hugh], decorated mugs at the craft fair together. [Thomas] and his son [Joshua] are going to eat lunch with [Frances], [Thomas]'s grandmother.
('Joshua', 'Hugh')
[Thomas] and his son [Joshua] are going to eat lunch with [Frances], [Thomas]'s grandmother. [Frances] and her son, [Hugh], decorated mugs at the craft fair together.
[{('Joshua', 'brother', 'Hugh'): [('Joshua', 'mother', 'Frances'), ('Frances', 'son', 'Hugh')]}, {('Joshua', 'mother', 'Frances'): [('Joshua', 'son', 'Thomas'), ('Thomas', 'grandmother', 'Frances')]}]
['son', 'grandmother', 'son']