[Andrea] and her father [Joshua] love to go skiing. Often, [Joshua] will invite his mother [Frances] to join them. [Frances] and her daughter [David] are entering the competition together.
('Andrea', 'David')
[Andrea] and her father [Joshua] love to go skiing. Often, [Joshua] will invite his mother [Frances] to join them. [Frances] and her daughter [David] are entering the competition together.
[{('Andrea', 'aunt', 'David'): [('Andrea', 'father', 'Joshua'), ('Joshua', 'sister', 'David')]}, {('Joshua', 'sister', 'David'): [('Joshua', 'mother', 'Frances'), ('Frances', 'daughter', 'David')]}]
['father', 'mother', 'daughter']