[Mary] had a heart-to-heart conversation with her daughter [Martha] about some things. [Martha] and her daughter [Laura] went to church. They were both very religious.
('Mary', 'Laura')
[Mary] had a heart-to-heart conversation with her daughter [Martha] about some things. [Martha] and her daughter [Laura] went to church. They were both very religious.
[{('Mary', 'granddaughter', 'Laura'): [('Mary', 'daughter', 'Martha'), ('Martha', 'daughter', 'Laura')]}]