[Wesley] and his wife, [Lena], needed a new refrigerator. [Lena]'s son, [Irvin], suggested a model, and offered to help them move it in and install it. [Wesley] taught his daughter, [Mildred], how to ride a bike.
('Mildred', 'Irvin')
[Wesley] taught his daughter, [Mildred], how to ride a bike. [Wesley] and his wife, [Lena], needed a new refrigerator. [Lena]'s son, [Irvin], suggested a model, and offered to help them move it in and install it.
[{('Mildred', 'brother', 'Irvin'): [('Mildred', 'father', 'Wesley'), ('Wesley', 'son', 'Irvin')]}, {('Wesley', 'son', 'Irvin'): [('Wesley', 'wife', 'Lena'), ('Lena', 'son', 'Irvin')]}]
['father', 'wife', 'son']