[David] gave her brother [Francisco] a new sweater for Christmas. [Wesley] took his sisters [David] and [Lynn] on a hiking trip last weekend.
('Lynn', 'Francisco')
[Wesley] took his sisters [David] and [Lynn] on a hiking trip last weekend. [David] gave her brother [Francisco] a new sweater for Christmas.
[{('Lynn', 'brother', 'Francisco'): [('Lynn', 'brother', 'Wesley'), ('Wesley', 'brother', 'Francisco')]}, {('Wesley', 'brother', 'Francisco'): [('Wesley', 'sister', 'David'), ('David', 'brother', 'Francisco')]}]
['brother', 'sister', 'brother']