[Wesley]'s wife [Lena] had been feeling under the weather. [Wesley] asked his son [Charles] to go to the store to buy medicine. [Lena] took her daughter [Mildred] to school during the cold winter morning.
('Mildred', 'Charles')
[Lena] took her daughter [Mildred] to school during the cold winter morning. [Wesley]'s wife [Lena] had been feeling under the weather. [Wesley] asked his son [Charles] to go to the store to buy medicine.
[{('Mildred', 'brother', 'Charles'): [('Mildred', 'mother', 'Lena'), ('Lena', 'son', 'Charles')]}, {('Lena', 'son', 'Charles'): [('Lena', 'husband', 'Wesley'), ('Wesley', 'son', 'Charles')]}]
['mother', 'husband', 'son']