[Paul] gave his mother [Beverly] flowers on her birthday. The siblings [Marie], [Beverly], and [Louis] wanted to go camping. [Louis] asked his father [Harold] if he would drive them to the national park so they could camp out.
('Paul', 'Harold')
[Paul] gave his mother [Beverly] flowers on her birthday. The siblings [Marie], [Beverly], and [Louis] wanted to go camping. [Louis] asked his father [Harold] if he would drive them to the national park so they could camp out.
[{('Paul', 'grandfather', 'Harold'): [('Paul', 'mother', 'Beverly'), ('Beverly', 'father', 'Harold')]}, {('Beverly', 'father', 'Harold'): [('Beverly', 'sister', 'Marie'), ('Marie', 'father', 'Harold')]}, {('Marie', 'father', 'Harold'): [('Marie', 'brother', 'Louis'), ('Louis', 'father', 'Harold')]}]
['mother', 'sister', 'brother', 'father']