[Jacob] always enjoyed playing with his sister, [Constance], when they were growing up. [Lois] gave her brother [Jacob] a new sweater for Christmas.
('Lois', 'Constance')
[Lois] gave her brother [Jacob] a new sweater for Christmas. [Jacob] always enjoyed playing with his sister, [Constance], when they were growing up.
[{('Lois', 'sister', 'Constance'): [('Lois', 'brother', 'Jacob'), ('Jacob', 'sister', 'Constance')]}]