[Francisco] is [Anna]'s father. [Anna] gave her brother [Pete] a new sweater for Christmas. [Pete]'s father has a sister named [David].
('Francisco', 'David')
[Francisco] is [Anna]'s father. [Anna] gave her brother [Pete] a new sweater for Christmas. [Pete]'s father has a sister named [David].
[{('Francisco', 'sister', 'David'): [('Francisco', 'son', 'Pete'), ('Pete', 'aunt', 'David')]}, {('Francisco', 'son', 'Pete'): [('Francisco', 'daughter', 'Anna'), ('Anna', 'brother', 'Pete')]}]
['daughter', 'brother', 'aunt']