[Rich] invited his wife [Michelle] and daughter [Cheryl] out for pancakes. [Cheryl]'s brother [Dale] went camping with his friends.
('Dale', 'Rich')
[Rich] invited his wife [Michelle] and daughter [Cheryl] out for pancakes. [Cheryl]'s brother [Dale] went camping with his friends.
[{('Dale', 'father', 'Rich'): [('Dale', 'sister', 'Cheryl'), ('Cheryl', 'father', 'Rich')]}, {('Dale', 'sister', 'Cheryl'): [('Dale', 'mother', 'Michelle'), ('Michelle', 'daughter', 'Cheryl')]}]