[Lena] is the mother of a son named [Charles]. [Lena] and [Hugh] went to their father [James] house
('Charles', 'James')
[Lena] is the mother of a son named [Charles]. [Lena] and [Hugh] went to their father [James] house
[{('Charles', 'grandfather', 'James'): [('Charles', 'mother', 'Lena'), ('Lena', 'father', 'James')]}, {('Lena', 'father', 'James'): [('Lena', 'brother', 'Hugh'), ('Hugh', 'father', 'James')]}]
['mother', 'brother', 'father']