[Anna] invited her mother [Cindy] and brother [Leonard] to the show. [Cindy]'s brother [Wesley] was at the show when they showed up.
('Leonard', 'Wesley')
[Anna] invited her mother [Cindy] and brother [Leonard] to the show. [Cindy]'s brother [Wesley] was at the show when they showed up.
[{('Leonard', 'uncle', 'Wesley'): [('Leonard', 'mother', 'Cindy'), ('Cindy', 'brother', 'Wesley')]}, {('Leonard', 'mother', 'Cindy'): [('Leonard', 'sister', 'Anna'), ('Anna', 'mother', 'Cindy')]}]
['sister', 'mother', 'brother']