[James] was proud of his son, [Joseph]. [Matthew] and his sister [Katherine] got their mother [Katherine] a new computer for her birthday. She really liked it. [Katherine] loves her brother [James].
('Matthew', 'Joseph')
[Matthew] and his sister [Katherine] got their mother [Katherine] a new computer for her birthday. She really liked it. [Katherine] loves her brother [James]. [James] was proud of his son, [Joseph].
[{('Matthew', 'nephew', 'Joseph'): [('Matthew', 'brother', 'James'), ('James', 'son', 'Joseph')]}, {('Matthew', 'brother', 'James'): [('Matthew', 'sister', 'Katherine'), ('Katherine', 'brother', 'James')]}]