[James] took his grandson [Theodore] to the concert. [Theodore]'s father [Wesley] showed up later on into the concert. [Wesley] and his wife [Lena] are going to be at the play.
('Lena', 'James')
[Wesley] and his wife [Lena] are going to be at the play. [James] took his grandson [Theodore] to the concert. [Theodore]'s father [Wesley] showed up later on into the concert.
[{('Lena', 'father', 'James'): [('Lena', 'son', 'Theodore'), ('Theodore', 'grandfather', 'James')]}, {('Lena', 'son', 'Theodore'): [('Lena', 'husband', 'Wesley'), ('Wesley', 'son', 'Theodore')]}]
['husband', 'son', 'grandfather']