[Tracy] loves her brother [Pedro]. [Bernardo] was eager to see his mom, [Tracy]. [Laura], [Bernardo]'s sister, picked her up at the airport with her sister, [Bettie].
('Bettie', 'Pedro')
[Bernardo] was eager to see his mom, [Tracy]. [Laura], [Bernardo]'s sister, picked her up at the airport with her sister, [Bettie]. [Tracy] loves her brother [Pedro].
[{('Bettie', 'uncle', 'Pedro'): [('Bettie', 'mother', 'Tracy'), ('Tracy', 'brother', 'Pedro')]}, {('Bettie', 'mother', 'Tracy'): [('Bettie', 'sister', 'Laura'), ('Laura', 'mother', 'Tracy')]}, {('Laura', 'mother', 'Tracy'): [('Laura', 'brother', 'Bernardo'), ('Bernardo', 'mother', 'Tracy')]}]
['sister', 'brother', 'mother', 'brother']