[Lena] is ready to dye Easter eggs with [Martha]! [Charles] and his brother [Chris] are looking for a good gift for [Chris]'s mother [Lena].
('Martha', 'Charles')
[Lena] is ready to dye Easter eggs with [Martha]! [Charles] and his brother [Chris] are looking for a good gift for [Chris]'s mother [Lena].
[{('Martha', 'brother', 'Charles'): [('Martha', 'mother', 'Lena'), ('Lena', 'son', 'Charles')]}, {('Lena', 'son', 'Charles'): [('Lena', 'son', 'Chris'), ('Chris', 'brother', 'Charles')]}]
['mother', 'son', 'brother']