[Lena] was so glad to travel with her son, [Chris]. He made the trip enjoyable. [Wesley]'s son, [Chris], was ill and needed to be picked up at school. [Wesley] hurried to his side. [Charles] went to the park with his father, [Wesley].
('Charles', 'Lena')
[Charles] went to the park with his father, [Wesley]. [Wesley]'s son, [Chris], was ill and needed to be picked up at school. [Wesley] hurried to his side. [Lena] was so glad to travel with her son, [Chris]. He made the trip enjoyable.
[{('Charles', 'mother', 'Lena'): [('Charles', 'brother', 'Chris'), ('Chris', 'mother', 'Lena')]}, {('Charles', 'brother', 'Chris'): [('Charles', 'father', 'Wesley'), ('Wesley', 'son', 'Chris')]}]
['father', 'son', 'mother']