[Harold] was excited to finally spend some one on one time with his daughter [Tracy]. [Heather] went to the lake to meet her father [Pedro] and her grandfather [Harold]. [Beverly] was playing in the sandbox with her brother [Pedro].
('Beverly', 'Tracy')
[Beverly] was playing in the sandbox with her brother [Pedro]. [Heather] went to the lake to meet her father [Pedro] and her grandfather [Harold]. [Harold] was excited to finally spend some one on one time with his daughter [Tracy].
[{('Beverly', 'sister', 'Tracy'): [('Beverly', 'brother', 'Pedro'), ('Pedro', 'sister', 'Tracy')]}, {('Pedro', 'sister', 'Tracy'): [('Pedro', 'father', 'Harold'), ('Harold', 'daughter', 'Tracy')]}, {('Pedro', 'father', 'Harold'): [('Pedro', 'daughter', 'Heather'), ('Heather', 'grandfather', 'Harold')]}]
['brother', 'daughter', 'grandfather', 'daughter']