[Deborah], her husband, [Joshua], and her brother, [Bret], went to the beach. [Bret]'s mother [Katherine] came too, but she stayed in the shade because she burns easily.
('Joshua', 'Katherine')
[Deborah], her husband, [Joshua], and her brother, [Bret], went to the beach. [Bret]'s mother [Katherine] came too, but she stayed in the shade because she burns easily.
[{('Joshua', 'mother-in-law', 'Katherine'): [('Joshua', 'wife', 'Deborah'), ('Deborah', 'mother', 'Katherine')]}, {('Deborah', 'mother', 'Katherine'): [('Deborah', 'brother', 'Bret'), ('Bret', 'mother', 'Katherine')]}]